diff --git a/challenges/01-front-end-development-certification/basic-javascript.json b/challenges/01-front-end-development-certification/basic-javascript.json
index 58b810ec54..0e93d4581f 100644
--- a/challenges/01-front-end-development-certification/basic-javascript.json
+++ b/challenges/01-front-end-development-certification/basic-javascript.json
@@ -19,6 +19,9 @@
"challengeSeed": [
" "
],
+ "solutions": [
+ "// Fake Comment\n/* Another Comment */"
+ ],
"tests": [
"assert(code.match(/(\\/\\/)...../g), 'message: Create a // style comment that contains at least five letters.');",
"assert(code.match(/(\\/\\*)[\\w\\W]{5,}(?=\\*\\/)/gm), 'message: Create a /* */ style comment that contains at least five letters.');",
@@ -37,10 +40,6 @@
"Instructions
",
"Modify the welcomeToBooleans function so that it returns true instead of false when the run button is clicked."
],
- "tests": [
- "assert(typeof(welcomeToBooleans()) === 'boolean', 'message: The welcomeToBooleans() function should return a boolean (true/false) value.');",
- "assert(welcomeToBooleans() === true, 'message: welcomeToBooleans() should return true.');"
- ],
"challengeSeed": [
"function welcomeToBooleans() {",
"",
@@ -54,6 +53,13 @@
"tail": [
"welcomeToBooleans();"
],
+ "solutions": [
+ "function welcomeToBooleans() {\n return true; // Change this line\n}"
+ ],
+ "tests": [
+ "assert(typeof(welcomeToBooleans()) === 'boolean', 'message: The welcomeToBooleans() function should return a boolean (true/false) value.');",
+ "assert(welcomeToBooleans() === true, 'message: welcomeToBooleans() should return true.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -70,9 +76,6 @@
"Hint",
"Look at the ourName example if you get stuck."
],
- "tests": [
- "assert((function(){if(typeof(myName) !== \"undefined\" && typeof(myName) === \"string\" && myName.length > 0){return true;}else{return false;}})(), 'message: myName should be a string that contains at least one character in it.');"
- ],
"challengeSeed": [
"// Example",
"var ourName = \"Free Code Camp\";",
@@ -83,6 +86,12 @@
"tail": [
"if(typeof(myName) !== \"undefined\"){(function(v){return v;})(myName);}"
],
+ "solutions": [
+ "var myName = \"Test Testerson\";"
+ ],
+ "tests": [
+ "assert((function(){if(typeof(myName) !== \"undefined\" && typeof(myName) === \"string\" && myName.length > 0){return true;}else{return false;}})(), 'message: myName should be a string that contains at least one character in it.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -102,12 +111,6 @@
"Assign the contents of a to variable b."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(/var a;/.test(code) && /var b = 2;/.test(code), 'message: Do not change code above the line');",
- "assert(typeof a === 'number' && a === 7, 'message: a should have a value of 7');",
- "assert(typeof b === 'number' && b === 7, 'message: b should have a value of 7');",
- "assert(/b\\s*=\\s*a\\s*;/g.test(code) > 0, 'message: a should be assigned to b with =');"
- ],
"challengeSeed": [
"// Setup",
"var a;",
@@ -122,6 +125,12 @@
"solutions": [
"var a;\nvar b = 2;\na = 7;\nb = a;"
],
+ "tests": [
+ "assert(/var a;/.test(code) && /var b = 2;/.test(code), 'message: Do not change code above the line');",
+ "assert(typeof a === 'number' && a === 7, 'message: a should have a value of 7');",
+ "assert(typeof b === 'number' && b === 7, 'message: b should have a value of 7');",
+ "assert(/b\\s*=\\s*a\\s*;/g.test(code) > 0, 'message: a should be assigned to b with =');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -143,9 +152,6 @@
"Define a variable a with var and initialize it to a value of 9."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(/var\\s+a\\s*=\\s*9\\s*/.test(code), 'message: Initialize a to a value of 9');"
- ],
"challengeSeed": [
"// Example",
"var ourVar = 19;",
@@ -159,6 +165,9 @@
"solutions": [
"var a = 9;"
],
+ "tests": [
+ "assert(/var\\s+a\\s*=\\s*9\\s*/.test(code), 'message: Initialize a to a value of 9');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -176,12 +185,6 @@
"Initialize the three variables a, b, and c with 5, 10, and \"I am a\" respectively so that they will not be undefined."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof a === 'number' && a === 6, 'message: a should be defined and have a value of 6');",
- "assert(typeof b === 'number' && b === 15, 'message: b should be defined and have a value of 15');",
- "assert(!/undefined/.test(c) && c === \"I am a String!\", 'message: c should not contain undefined and should have a value of \"I am a String!\"');",
- "assert(/a = a \\+ 1;/.test(code) && /b = b \\+ 5;/.test(code) && /c = c \\+ \" String!\";/.test(code), 'message: Do not change code below the line');"
- ],
"challengeSeed": [
"// Initialize these three variables",
"var a;",
@@ -201,6 +204,12 @@
"solutions": [
"var a = 5;\nvar b = 10;\nvar c = \"I am a\";\na = a + 1;\nb = b + 5;\nc = c + \" String!\";"
],
+ "tests": [
+ "assert(typeof a === 'number' && a === 6, 'message: a should be defined and have a value of 6');",
+ "assert(typeof b === 'number' && b === 15, 'message: b should be defined and have a value of 15');",
+ "assert(!/undefined/.test(c) && c === \"I am a String!\", 'message: c should not contain undefined and should have a value of \"I am a String!\"');",
+ "assert(/a = a \\+ 1;/.test(code) && /b = b \\+ 5;/.test(code) && /c = c \\+ \" String!\";/.test(code), 'message: Do not change code below the line');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -223,11 +232,6 @@
"Correct the variable assignments so their names match their variable declarations above."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(StUdLyCapVaR === 10, 'message: StUdLyCapVaR has the correct case');",
- "assert(properCamelCase === \"A String\", 'message: properCamelCase has the correct case');",
- "assert(TitleCaseOver === 9000, 'message: TitleCaseOver has the correct case');"
- ],
"challengeSeed": [
"// Setup",
"var StUdLyCapVaR;",
@@ -244,6 +248,11 @@
"solutions": [
"var StUdLyCapVaR;\nvar properCamelCase;\nvar TitleCaseOver;\n\nStUdLyCapVaR = 10;\nproperCamelCase = \"A String\";\nTitleCaseOver = 9000;"
],
+ "tests": [
+ "assert(StUdLyCapVaR === 10, 'message: StUdLyCapVaR has the correct case');",
+ "assert(properCamelCase === \"A String\", 'message: properCamelCase has the correct case');",
+ "assert(TitleCaseOver === 9000, 'message: TitleCaseOver has the correct case');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -266,10 +275,6 @@
"Instructions
",
"Change the 0 so that sum will equal 20."
],
- "tests": [
- "assert(sum === 20, 'message: sum should equal 20');",
- "assert(/\\+/.test(code), 'message: Use the + operator');"
- ],
"challengeSeed": [
"var sum = 10 + 0;",
""
@@ -277,6 +282,13 @@
"tail": [
"(function(z){return 'sum='+z;})(sum);"
],
+ "solutions": [
+ "var sum = 10 + 10;"
+ ],
+ "tests": [
+ "assert(sum === 20, 'message: sum should equal 20');",
+ "assert(/\\+/.test(code), 'message: Use the + operator');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -293,10 +305,6 @@
"Instructions
",
"Change the 0 so the difference is 12."
],
- "tests": [
- "assert(difference === 12, 'message: Make the variable difference equal 12.');",
- "assert(/\\d+\\s*-\\s*\\d+/.test(code),'message: User the - operator');"
- ],
"challengeSeed": [
"var difference = 45 - 0;",
"",
@@ -308,6 +316,10 @@
"solutions": [
"var difference = 45 - 33;"
],
+ "tests": [
+ "assert(difference === 12, 'message: Make the variable difference equal 12.');",
+ "assert(/\\d+\\s*-\\s*\\d+/.test(code),'message: User the - operator');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -324,10 +336,6 @@
"Instructions
",
"Change the 0 so that product will equal 80."
],
- "tests": [
- "assert(product === 80,'message: Make the variable product equal 80');",
- "assert(/\\*/.test(code), 'message: Use the * operator');"
- ],
"challengeSeed": [
"var product = 8 * 0;",
"",
@@ -339,6 +347,10 @@
"solutions": [
"var product = 8 * 10;"
],
+ "tests": [
+ "assert(product === 80,'message: Make the variable product equal 80');",
+ "assert(/\\*/.test(code), 'message: Use the * operator');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -355,10 +367,6 @@
"Instructions
",
"Change the 0 so that the quotient is equal to 2."
],
- "tests": [
- "assert(quotient === 2, 'message: Make the variable quotient equal to 2.');",
- "assert(/\\d+\\s*\\/\\s*\\d+/.test(code), 'message: Use the / operator');"
- ],
"challengeSeed": [
"var quotient = 66 / 0;",
"",
@@ -367,6 +375,13 @@
"tail": [
"(function(z){return 'quotient = '+z;})(quotient);"
],
+ "solutions": [
+ "var quotient = 66 / 33;"
+ ],
+ "tests": [
+ "assert(quotient === 2, 'message: Make the variable quotient equal to 2.');",
+ "assert(/\\d+\\s*\\/\\s*\\d+/.test(code), 'message: Use the / operator');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -382,11 +397,6 @@
"Change the code to use the ++ operator on myVar"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myVar === 88, 'message: myVar should equal 88');",
- "assert(/[+]{2}/.test(code), 'message: Use the ++ operator');",
- "assert(/var myVar = 87;/.test(code), 'message: Do not change code above the line');"
- ],
"challengeSeed": [
"var myVar = 87;",
"",
@@ -400,6 +410,11 @@
"solutions": [
"var myVar = 87;\nmyVar++;"
],
+ "tests": [
+ "assert(myVar === 88, 'message: myVar should equal 88');",
+ "assert(/[+]{2}/.test(code), 'message: Use the ++ operator');",
+ "assert(/var myVar = 87;/.test(code), 'message: Do not change code above the line');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -420,11 +435,6 @@
"Change the code to use the -- operator on myVar"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myVar === 10, 'message: myVar should equal 10');",
- "assert(/myVar[-]{2}/.test(code), 'message: Use the -- operator on myVar');",
- "assert(/var myVar = 11;/.test(code), 'message: Do not change code above the line');"
- ],
"challengeSeed": [
"var myVar = 11;",
"",
@@ -438,6 +448,11 @@
"solutions": [
"var myVar = 11;\nmyVar--;"
],
+ "tests": [
+ "assert(myVar === 10, 'message: myVar should equal 10');",
+ "assert(/myVar[-]{2}/.test(code), 'message: Use the -- operator on myVar');",
+ "assert(/var myVar = 11;/.test(code), 'message: Do not change code above the line');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -456,10 +471,6 @@
"Instructions
",
"Create a variable myDecimal and give it a decimal value."
],
- "tests": [
- "assert(typeof myDecimal === \"number\", 'message: myDecimal should be a number.');",
- "assert(code.match(/\\d+\\.\\d+/g).length >= 2, 'message: myDecimal should have a decimal point'); "
- ],
"challengeSeed": [
"var ourDecimal = 5.7;",
"",
@@ -468,7 +479,14 @@
""
],
"tail": [
- "(function(){if(typeof(myDecimal) !== \"undefined\"){return myDecimal;}})();"
+ "(function(){if(typeof myDecimal !== \"undefined\"){return myDecimal;}})();"
+ ],
+ "solutions": [
+ "var myDecimal = 9.9;"
+ ],
+ "tests": [
+ "assert(typeof myDecimal === \"number\", 'message: myDecimal should be a number.');",
+ "assert(myDecimal % 1 != 0, 'message: myDecimal should have a decimal point'); "
],
"type": "waypoint",
"challengeType": "1"
@@ -482,18 +500,21 @@
"Instructions
",
"Change the 0.0 so that product will equal 5.0."
],
- "tests": [
- "assert(product === 5.0, 'message: The variable product should equal 5.0.');",
- "assert(/\\*/.test(code), 'message: You should use the * operator');"
- ],
- "tail": [
- "(function(y){return 'product = '+y;})(product);"
- ],
"challengeSeed": [
"var product = 2.0 * 0.0;",
"",
""
],
+ "tail": [
+ "(function(y){return 'product = '+y;})(product);"
+ ],
+ "solutions": [
+ "var product = 2.0 * 2.5;"
+ ],
+ "tests": [
+ "assert(product === 5.0, 'message: The variable product should equal 5.0.');",
+ "assert(/\\*/.test(code), 'message: You should use the * operator');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -505,10 +526,6 @@
"Instructions
",
"Change the 0.0 so that quotient will equal to 2.2."
],
- "tests": [
- "assert(quotient === 2.2, 'message: The variable quotient should equal 2.2.');",
- "assert(/\\//.test(code), 'message: You should use the / operator');"
- ],
"challengeSeed": [
"var quotient = 0.0 / 2.0;",
"",
@@ -517,6 +534,13 @@
"tail": [
"(function(y){return 'quotient = '+y;})(quotient);"
],
+ "solutions": [
+ "var quotient = 4.4 / 2.0;"
+ ],
+ "tests": [
+ "assert(quotient === 2.2, 'message: The variable quotient should equal 2.2.');",
+ "assert(/\\//.test(code), 'message: You should use the / operator');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -536,10 +560,6 @@
"Set remainder equal to the remainder of 11 divided by 3 using the remainder (%) operator."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(remainder === 2, 'message: The value of remainder should be 2');",
- "assert(/\\d+\\s*%\\s*\\d+/.test(code), 'message: You should use the % operator');"
- ],
"challengeSeed": [
"// Only change code below this line",
"",
@@ -552,6 +572,10 @@
"solutions": [
"var remainder = 11 % 3;"
],
+ "tests": [
+ "assert(remainder === 2, 'message: The value of remainder should be 2');",
+ "assert(/\\d+\\s*%\\s*\\d+/.test(code), 'message: You should use the % operator');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -573,13 +597,6 @@
"Convert the assignments for a, b, and c to use the += operator."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(a === 15, 'message: a should equal 15');",
- "assert(b === 26, 'message: b should equal 26');",
- "assert(c === 19, 'message: c should equal 19');",
- "assert(code.match(/\\+=/g).length === 3, 'message: You should use the += operator for each variable');",
- "assert(/var a = 3;/.test(code) && /var b = 17;/.test(code) && /var c = 12;/.test(code), 'message: Do not modify the code above the line');"
- ],
"challengeSeed": [
"var a = 3;",
"var b = 17;",
@@ -598,6 +615,13 @@
"solutions": [
"var a = 3;\nvar b = 17;\nvar c = 12;\n\na += 12;\nb += 9;\nc += 7;"
],
+ "tests": [
+ "assert(a === 15, 'message: a should equal 15');",
+ "assert(b === 26, 'message: b should equal 26');",
+ "assert(c === 19, 'message: c should equal 19');",
+ "assert(code.match(/\\+=/g).length === 3, 'message: You should use the += operator for each variable');",
+ "assert(/var a = 3;/.test(code) && /var b = 17;/.test(code) && /var c = 12;/.test(code), 'message: Do not modify the code above the line');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -618,13 +642,6 @@
"Convert the assignments for a, b, and c to use the -= operator."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(a === 5, 'message: a should equal 5');",
- "assert(b === -6, 'message: b should equal -6');",
- "assert(c === 2, 'message: c should equal 2');",
- "assert(code.match(/-=/g).length === 3, 'message: You should use the -= operator for each variable');",
- "assert(/var a = 11;/.test(code) && /var b = 9;/.test(code) && /var c = 3;/.test(code), 'message: Do not modify the code above the line');"
- ],
"challengeSeed": [
"var a = 11;",
"var b = 9;",
@@ -644,6 +661,13 @@
"solutions": [
"var a = 11;\nvar b = 9;\nvar c = 3;\n\na -= 6;\nb -= 15;\nc -= 1;\n\n"
],
+ "tests": [
+ "assert(a === 5, 'message: a should equal 5');",
+ "assert(b === -6, 'message: b should equal -6');",
+ "assert(c === 2, 'message: c should equal 2');",
+ "assert(code.match(/-=/g).length === 3, 'message: You should use the -= operator for each variable');",
+ "assert(/var a = 11;/.test(code) && /var b = 9;/.test(code) && /var c = 3;/.test(code), 'message: Do not modify the code above the line');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -664,13 +688,6 @@
"Convert the assignments for a, b, and c to use the *= operator."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(a === 25, 'message: a should equal 25');",
- "assert(b === 36, 'message: b should equal 36');",
- "assert(c === 46, 'message: c should equal 46');",
- "assert(code.match(/\\*=/g).length === 3, 'message: You should use the *= operator for each variable');",
- "assert(/var a = 5;/.test(code) && /var b = 12;/.test(code) && /var c = 4\\.6;/.test(code), 'message: Do not modify the code above the line');"
- ],
"challengeSeed": [
"var a = 5;",
"var b = 12;",
@@ -690,6 +707,13 @@
"solutions": [
"var a = 5;\nvar b = 12;\nvar c = 4.6;\n\na *= 5;\nb *= 3;\nc *= 10;"
],
+ "tests": [
+ "assert(a === 25, 'message: a should equal 25');",
+ "assert(b === 36, 'message: b should equal 36');",
+ "assert(c === 46, 'message: c should equal 46');",
+ "assert(code.match(/\\*=/g).length === 3, 'message: You should use the *= operator for each variable');",
+ "assert(/var a = 5;/.test(code) && /var b = 12;/.test(code) && /var c = 4\\.6;/.test(code), 'message: Do not modify the code above the line');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -710,13 +734,6 @@
"Convert the assignments for a, b, and c to use the /= operator."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(a === 4, 'message: a should equal 4');",
- "assert(b === 27, 'message: b should equal 27');",
- "assert(c === 3, 'message: c should equal 3');",
- "assert(code.match(/\\/=/g).length === 3, 'message: You should use the /= operator for each variable');",
- "assert(/var a = 48;/.test(code) && /var b = 108;/.test(code) && /var c = 33;/.test(code), 'message: Do not modify the code above the line');"
- ],
"challengeSeed": [
"var a = 48;",
"var b = 108;",
@@ -735,6 +752,13 @@
"solutions": [
"var a = 48;\nvar b = 108;\nvar c = 33;\n\na /= 12;\nb /= 4;\nc /= 11;"
],
+ "tests": [
+ "assert(a === 4, 'message: a should equal 4');",
+ "assert(b === 27, 'message: b should equal 27');",
+ "assert(c === 3, 'message: c should equal 3');",
+ "assert(code.match(/\\/=/g).length === 3, 'message: You should use the /= operator for each variable');",
+ "assert(/var a = 48;/.test(code) && /var b = 108;/.test(code) && /var c = 33;/.test(code), 'message: Do not modify the code above the line');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -752,14 +776,6 @@
"You are given a variable Tc representing a temperature in Celsius. Create a variable Tf and apply the algorithm to assign it the corresponding temperature in Fahrenheit."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof convert(0) === 'number', 'message: convert(0) should return a number');",
- "assert(convert(-30) === -22, 'message: convert(-30) should return a value of -22');",
- "assert(convert(-10) === 14, 'message: convert(-10) should return a value of 14');",
- "assert(convert(0) === 32, 'message: convert(0) should return a value of 32');",
- "assert(convert(20) === 68, 'message: convert(20) should return a value of 68');",
- "assert(convert(30) === 86, 'message: convert(30) should return a value of 86');"
- ],
"challengeSeed": [
"function convert(Tc) {",
" // Only change code below this line",
@@ -779,6 +795,14 @@
"solutions": [
"function convert(Tc) {\n var Tf = Tc * 9/5 + 32;\n if(typeof Tf !== 'undefined') {\n return Tf;\n } else {\n return \"Tf not defined\";\n }\n}"
],
+ "tests": [
+ "assert(typeof convert(0) === 'number', 'message: convert(0) should return a number');",
+ "assert(convert(-30) === -22, 'message: convert(-30) should return a value of -22');",
+ "assert(convert(-10) === 14, 'message: convert(-10) should return a value of 14');",
+ "assert(convert(0) === 32, 'message: convert(0) should return a value of 32');",
+ "assert(convert(20) === 68, 'message: convert(20) should return a value of 68');",
+ "assert(convert(30) === 86, 'message: convert(30) should return a value of 86');"
+ ],
"type": "bonfire",
"challengeType": "5",
"nameCn": "",
@@ -797,10 +821,6 @@
"Instructions
",
"Create two new string variables: myFirstName and myLastName and assign them the values of your first and last name, respectively."
],
- "tests": [
- "assert((function(){if(typeof(myFirstName) !== \"undefined\" && typeof(myFirstName) === \"string\" && myFirstName.length > 0){return true;}else{return false;}})(), 'message: myFirstName should be a string with at least one character in it.');",
- "assert((function(){if(typeof(myLastName) !== \"undefined\" && typeof(myLastName) === \"string\" && myLastName.length > 0){return true;}else{return false;}})(), 'message: myLastName should be a string with at least one character in it.');"
- ],
"challengeSeed": [
"// Example",
"var firstName = \"Alan\";",
@@ -817,6 +837,10 @@
"solutions": [
"var myFirstName = \"Alan\";\nvar myLastName = \"Turing\";"
],
+ "tests": [
+ "assert((function(){if(typeof(myFirstName) !== \"undefined\" && typeof(myFirstName) === \"string\" && myFirstName.length > 0){return true;}else{return false;}})(), 'message: myFirstName should be a string with at least one character in it.');",
+ "assert((function(){if(typeof(myLastName) !== \"undefined\" && typeof(myLastName) === \"string\" && myLastName.length > 0){return true;}else{return false;}})(), 'message: myLastName should be a string with at least one character in it.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -833,9 +857,6 @@
"\"I am a \"double quoted\" string inside \"double quotes\"\""
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(code.match(/\\\\\"/g).length === 4 && code.match(/[^\\\\]\"/g).length === 2, 'message: You should use two double quotes (") and four escaped double quotes (\") ');"
- ],
"challengeSeed": [
"var myStr; // Change this line",
"",
@@ -844,6 +865,9 @@
"solutions": [
"var myStr = \"I am a \\\"double quoted\\\" string inside \\\"double quotes\\\"\";"
],
+ "tests": [
+ "assert(code.match(/\\\\\"/g).length === 4 && code.match(/[^\\\\]\"/g).length === 2, 'message: You should use two double quotes (") and four escaped double quotes (\") ');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -864,11 +888,6 @@
"Change the provided string from double to single quotes and remove the escaping."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(!/\\\\/g.test(code), 'message: Remove all the backslashes (\\)');",
- "assert(code.match(/\"/g).length === 4 && code.match(/'/g).length === 2, 'message: You should have two single quotes ' and four double quotes "');",
- "assert(myStr === 'Link', 'message: Only remove the backslashes \\ used to escape quotes.');"
- ],
"challengeSeed": [
"var myStr = \"Link\";",
"",
@@ -880,6 +899,11 @@
"solutions": [
"var myStr = 'Link';"
],
+ "tests": [
+ "assert(!/\\\\/g.test(code), 'message: Remove all the backslashes (\\)');",
+ "assert(code.match(/\"/g).length === 4 && code.match(/'/g).length === 2, 'message: You should have two single quotes ' and four double quotes "');",
+ "assert(myStr === 'Link', 'message: Only remove the backslashes \\ used to escape quotes.');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -899,9 +923,6 @@
"Encode the following sequence, separated by spaces:
backslash tab tab carriage-return new-line and assign it to myStr"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myStr === \"\\\\ \\t \\t \\r \\n\", 'message: myStr should have the escape sequences for backslash tab tab carriage-return new-line separated by spaces');"
- ],
"challengeSeed": [
"var myStr; // Change this line",
"",
@@ -910,6 +931,9 @@
"solutions": [
"var myStr = \"\\\\ \\t \\t \\r \\n\";"
],
+ "tests": [
+ "assert(myStr === \"\\\\ \\t \\t \\r \\n\", 'message: myStr should have the escape sequences for backslash tab tab carriage-return new-line separated by spaces');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -929,10 +953,6 @@
"Build myStr from the strings \"This is the start. \" and \"This is the end.\" using the + operator."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myStr === \"This is the start. This is the end.\", 'message: myStr should have a value of This is the start. This is the end.');",
- "assert(code.match(/\"\\s*\\+\\s*\"/g).length > 1, 'message: Use the + operator to build myStr');"
- ],
"challengeSeed": [
"// Example",
"var ourStr = \"I come first. \" + \"I come second.\";",
@@ -946,6 +966,10 @@
"solutions": [
"var ourStr = \"I come first. \" + \"I come second.\";\nvar myStr = \"This is the start. \" + \"This is the end.\";"
],
+ "tests": [
+ "assert(myStr === \"This is the start. This is the end.\", 'message: myStr should have a value of This is the start. This is the end.');",
+ "assert(code.match(/\"\\s*\\+\\s*\"/g).length > 1, 'message: Use the + operator to build myStr');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -963,10 +987,6 @@
"Build myStr over several lines by concatenating these two strings:
\"This is the first sentance. \" and \"This is the second sentance.\" using the += operator."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myStr === \"This is the first sentance. This is the second sentance.\", 'message: myStr should have a value of This is the first sentance. This is the second sentance.');",
- "assert(code.match(/\\w\\s*\\+=\\s*\"/g).length > 1 && code.match(/\\w\\s*\\=\\s*\"/g).length > 1, 'message: Use the += operator to build myStr');"
- ],
"challengeSeed": [
"// Example",
"var ourStr = \"I come first. \";",
@@ -981,6 +1001,10 @@
"solutions": [
"var ourStr = \"I come first. \";\nourStr += \"I come second.\";\n\nvar myStr = \"This is the first sentance. \";\nmyStr += \"This is the second sentance.\";"
],
+ "tests": [
+ "assert(myStr === \"This is the first sentance. This is the second sentance.\", 'message: myStr should have a value of This is the first sentance. This is the second sentance.');",
+ "assert(code.match(/\\w\\s*\\+=\\s*\"/g).length > 1 && code.match(/\\w\\s*\\=\\s*\"/g).length > 1, 'message: Use the += operator to build myStr');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -998,10 +1022,6 @@
"Set myName and build myStr with myName between the strings \"My name is \" and \" and I am swell!\""
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof myName !== 'undefined' && myName.length > 2, 'message: myName should be set to a string at least 3 characters long');",
- "assert(code.match(/\"\\s*\\+\\s*myName\\s*\\+\\s*\"/g).length > 0, 'message: Use two + operators to build myStr with myName inside it');"
- ],
"challengeSeed": [
"// Example",
"var ourName = \"Free Code Camp\";",
@@ -1016,6 +1036,10 @@
"solutions": [
"var myName = \"Bob\";\nvar myStr = \"My name is \" + myName + \" and I am swell!\";"
],
+ "tests": [
+ "assert(typeof myName !== 'undefined' && myName.length > 2, 'message: myName should be set to a string at least 3 characters long');",
+ "assert(code.match(/\"\\s*\\+\\s*myName\\s*\\+\\s*\"/g).length > 0, 'message: Use two + operators to build myStr with myName inside it');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -1033,10 +1057,6 @@
"Set someAdjective and append it to myStr using the += operator."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof someAdjective !== 'undefined' && someAdjective.length > 2, 'message: someAdjective should be set to a string at least 3 characters long');",
- "assert(code.match(/\\w\\s*\\+=\\s*someAdjective\\s*;/).length > 0, 'message: Append someAdjective to myStr using the += operator');"
- ],
"challengeSeed": [
"// Example",
"var anAdjective = \"awesome!\";",
@@ -1052,6 +1072,10 @@
"solutions": [
"var anAdjective = \"awesome!\";\nvar ourStr = \"Free Code Camp is \";\nourStr += anAdjective;\n\nvar someAdjective = \"neat\";\nvar myStr = \"Learning to code is \";\nmyStr += someAdjective;"
],
+ "tests": [
+ "assert(typeof someAdjective !== 'undefined' && someAdjective.length > 2, 'message: someAdjective should be set to a string at least 3 characters long');",
+ "assert(code.match(/\\w\\s*\\+=\\s*someAdjective\\s*;/).length > 0, 'message: Append someAdjective to myStr using the += operator');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -1070,10 +1094,6 @@
"Instructions
",
"Use the .length property to count the number of characters in the lastName variable and assign it to lastNameLength."
],
- "tests": [
- "assert((function(){if(typeof(lastNameLength) !== \"undefined\" && typeof(lastNameLength) === \"number\" && lastNameLength === 8){return true;}else{return false;}})(), 'message: lastNameLength should be equal to eight.');",
- "assert((function(){if(code.match(/\\.length/gi) && code.match(/\\.length/gi).length >= 2 && code.match(/var lastNameLength \\= 0;/gi) && code.match(/var lastNameLength \\= 0;/gi).length >= 1){return true;}else{return false;}})(), 'message: You should be getting the length of lastName by using .length like this: lastName.length.');"
- ],
"challengeSeed": [
"// Example",
"var firstNameLength = 0;",
@@ -1094,7 +1114,13 @@
"tail": [
"if(typeof(lastNameLength) !== \"undefined\"){(function(){return lastNameLength;})();}"
],
- "solution": "var lastNameLength = 0;\nvar lastName = \"Lovelace\";\nlastNameLength = lastName.length;",
+ "solutions": [
+ "var firstNameLength = 0;\nvar firstName = \"Ada\";\nfirstNameLength = firstName.length;\n\nvar lastNameLength = 0;\nvar lastName = \"Lovelace\";\nlastNameLength = lastName.length;"
+ ],
+ "tests": [
+ "assert((function(){if(typeof(lastNameLength) !== \"undefined\" && typeof(lastNameLength) === \"number\" && lastNameLength === 8){return true;}else{return false;}})(), 'message: lastNameLength should be equal to eight.');",
+ "assert((function(){if(code.match(/\\.length/gi) && code.match(/\\.length/gi).length >= 2 && code.match(/var lastNameLength \\= 0;/gi) && code.match(/var lastNameLength \\= 0;/gi).length >= 1){return true;}else{return false;}})(), 'message: You should be getting the length of lastName by using .length like this: lastName.length.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1110,9 +1136,6 @@
"Hint",
"
Try looking at the firstLetterOfFirstName variable declaration if you get stuck."
],
- "tests": [
- "assert((function(){if(typeof(firstLetterOfLastName) !== \"undefined\" && code.match(/\\[0\\]/gi) && typeof(firstLetterOfLastName) === \"string\" && firstLetterOfLastName === \"L\"){return true;}else{return false;}})(), 'message: The firstLetterOfLastName variable should have the value of L.');"
- ],
"challengeSeed": [
"// Example",
"var firstLetterOfFirstName = \"\";",
@@ -1134,6 +1157,9 @@
"solutions": [
"var firstLetterOfLastName = \"\";\nvar lastName = \"Lovelace\";\n\n// Only change code below this line\nfirstLetterOfLastName = lastName[0];"
],
+ "tests": [
+ "assert((function(){if(typeof(firstLetterOfLastName) !== \"undefined\" && code.match(/\\[0\\]/gi) && typeof(firstLetterOfLastName) === \"string\" && firstLetterOfLastName === \"L\"){return true;}else{return false;}})(), 'message: The firstLetterOfLastName variable should have the value of L.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1150,13 +1176,6 @@
"Correct the assignment to myStr to achieve the desired effect."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myStr === \"Hello World\", 'message: myStr should have a value of Hello World');",
- "assert(/myStr = \"Jello World\"/.test(code), 'message: Do not change the code above the line');"
- ],
- "tail": [
- "(function(v){return \"myStr = \" + v;})(myStr);"
- ],
"challengeSeed": [
"// Setup",
"var myStr = \"Jello World\";",
@@ -1167,9 +1186,16 @@
"",
""
],
+ "tail": [
+ "(function(v){return \"myStr = \" + v;})(myStr);"
+ ],
"solutions": [
"var myStr = \"Jello World\";\nmyStr = \"Hello World\";"
],
+ "tests": [
+ "assert(myStr === \"Hello World\", 'message: myStr should have a value of Hello World');",
+ "assert(/myStr = \"Jello World\"/.test(code), 'message: Do not change the code above the line');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -1189,9 +1215,6 @@
"Hint",
"
Try looking at the secondLetterOfFirstName variable declaration if you get stuck."
],
- "tests": [
- "assert(thirdLetterOfLastName === 'v', 'message: The thirdLetterOfLastName variable should have the value of v.');"
- ],
"challengeSeed": [
"// Example",
"var firstName = \"Ada\";",
@@ -1211,6 +1234,9 @@
"solutions": [
"var lastName = \"Lovelace\";\nvar thirdLetterOfLastName = lastName[2];"
],
+ "tests": [
+ "assert(thirdLetterOfLastName === 'v', 'message: The thirdLetterOfLastName variable should have the value of v.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1225,10 +1251,6 @@
"Hint",
"
Try looking at the lastLetterOfFirstName variable declaration if you get stuck."
],
- "tests": [
- "assert(lastLetterOfLastName === \"e\", 'message: lastLetterOfLastName should be \"e\".');",
- "assert(code.match(/\\.length/g).length === 2, 'message: You have to use .length to get the last letter.');"
- ],
"challengeSeed": [
"// Example",
"var firstName = \"Ada\";",
@@ -1248,6 +1270,10 @@
"solutions": [
"var firstName = \"Ada\";\nvar lastLetterOfFirstName = firstName[firstName.length - 1];\n\nvar lastName = \"Lovelace\";\nvar lastLetterOfLastName = lastName[lastName.length - 1];"
],
+ "tests": [
+ "assert(lastLetterOfLastName === \"e\", 'message: lastLetterOfLastName should be \"e\".');",
+ "assert(code.match(/\\.length/g).length === 2, 'message: You have to use .length to get the last letter.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1262,10 +1288,6 @@
" Hint",
"
Try looking at the thirdToLastLetterOfFirstName variable declaration if you get stuck."
],
- "tests": [
- "assert(secondToLastLetterOfLastName === 'c', 'message: secondToLastLetterOfLastName should be \"c\".');",
- "assert(code.match(/\\.length/g).length === 2, 'message: You have to use .length to get the second last letter.');"
- ],
"challengeSeed": [
"// Example",
"var firstName = \"Ada\";",
@@ -1285,6 +1307,10 @@
"solutions": [
"var firstName = \"Ada\";\nvar thirdToLastLetterOfFirstName = firstName[firstName.length - 3];\n\nvar lastName = \"Lovelace\";\nvar secondToLastLetterOfLastName = lastName[lastName.length - 2];"
],
+ "tests": [
+ "assert(secondToLastLetterOfLastName === 'c', 'message: secondToLastLetterOfLastName should be \"c\".');",
+ "assert(code.match(/\\.length/g).length === 2, 'message: You have to use .length to get the second last letter.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1298,12 +1324,6 @@
"The tests will run your function with several different inputs to make sure it works properly."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof wordBlanks(\"\",\"\",\"\",\"\") === 'string', 'message: wordBlanks(\"\",\"\",\"\",\"\") should return a string');",
- "assert(wordBlanks(\"\",\"\",\"\",\"\").length > 30, 'message: wordBlanks(\"\",\"\",\"\",\"\") should return at least 30 characters with empty inputs');",
- "assert(/dog/.test(test1) && /big/.test(test1) && /ran/.test(test1) && /quickly/.test(test1),'message: wordBlanks(\"dog\", \"big\", \"ran\", \"quickly\") should contain all of the passed words.');",
- "assert(/cat/.test(test2) && /little/.test(test2) && /hit/.test(test2) && /slowly/.test(test2),'message: wordBlanks(\"cat\", \"little\", \"hit\", \"slowly\") should contain all of the passed words.');"
- ],
"challengeSeed": [
"function wordBlanks(myNoun, myAdjective, myVerb, myAdverb) {",
" var result = \"\";",
@@ -1324,6 +1344,12 @@
"solutions": [
"function wordBlanks(myNoun, myAdjective, myVerb, myAdverb) {\n var result = \"\";\n\n result = \"Once there was a \" + myNoun + \" which was very \" + myAdjective + \". \";\n result += \"It \" + myVerb + \" \" + myAdverb + \" around the yard.\";\n\n return result;\n}"
],
+ "tests": [
+ "assert(typeof wordBlanks(\"\",\"\",\"\",\"\") === 'string', 'message: wordBlanks(\"\",\"\",\"\",\"\") should return a string');",
+ "assert(wordBlanks(\"\",\"\",\"\",\"\").length > 30, 'message: wordBlanks(\"\",\"\",\"\",\"\") should return at least 30 characters with empty inputs');",
+ "assert(/dog/.test(test1) && /big/.test(test1) && /ran/.test(test1) && /quickly/.test(test1),'message: wordBlanks(\"dog\", \"big\", \"ran\", \"quickly\") should contain all of the passed words.');",
+ "assert(/cat/.test(test2) && /little/.test(test2) && /hit/.test(test2) && /slowly/.test(test2),'message: wordBlanks(\"cat\", \"little\", \"hit\", \"slowly\") should contain all of the passed words.');"
+ ],
"type": "bonfire",
"challengeType": "5",
"nameCn": "",
@@ -1343,11 +1369,6 @@
"Hint",
"
Refer to the example code in the text editor if you get stuck."
],
- "tests": [
- "assert(typeof(myArray) == 'object', 'message: myArray should be an array.');",
- "assert(typeof(myArray[0]) !== 'undefined' && typeof(myArray[0]) == 'string', 'message: The first item in myArray should be a string.');",
- "assert(typeof(myArray[1]) !== 'undefined' && typeof(myArray[1]) == 'number', 'message: The second item in myArray should be a number.');"
- ],
"challengeSeed": [
"// Example",
"var array = [\"John\", 23];",
@@ -1362,6 +1383,11 @@
"solutions": [
"var myArray = [\"The Answer\", 42];"
],
+ "tests": [
+ "assert(typeof(myArray) == 'object', 'message: myArray should be an array.');",
+ "assert(typeof(myArray[0]) !== 'undefined' && typeof(myArray[0]) == 'string', 'message: The first item in myArray should be a string.');",
+ "assert(typeof(myArray[1]) !== 'undefined' && typeof(myArray[1]) == 'number', 'message: The second item in myArray should be a number.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1373,9 +1399,6 @@
"Instructions
",
"Create a nested array called myArray."
],
- "tests": [
- "assert(Array.isArray(myArray) && myArray.some(Array.isArray), 'message: myArray should have at least one array nested within another array.');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [[\"the universe\", \"everything\", 42]];",
@@ -1390,6 +1413,9 @@
"solutions": [
"var myArray = [[1,2,3]];"
],
+ "tests": [
+ "assert(Array.isArray(myArray) && myArray.some(Array.isArray), 'message: myArray should have at least one array nested within another array.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1404,9 +1430,6 @@
"Instructions
",
"Create a variable called myData and set it to equal the first value of myArray."
],
- "tests": [
- "assert((function(){if(typeof(myArray) != 'undefined' && typeof(myData) != 'undefined' && myArray[0] == myData){return true;}else{return false;}})(), 'message: The variable myData should equal the first value of myArray.');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [1,2,3];",
@@ -1424,6 +1447,9 @@
"solutions": [
"var myArray = [1,2,3];\nvar myData = myArray[0];"
],
+ "tests": [
+ "assert((function(){if(typeof(myArray) != 'undefined' && typeof(myData) != 'undefined' && myArray[0] == myData){return true;}else{return false;}})(), 'message: The variable myData should equal the first value of myArray.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1437,10 +1463,6 @@
"Instructions
",
"Modify the data stored at index 0 of myArray to a value of 3."
],
- "tests": [
- "assert((function(){if(typeof(myArray) != 'undefined' && myArray[0] == 3 && myArray[1] == 2 && myArray[2] == 3){return true;}else{return false;}})(), 'message: myArray should now be [3,2,3].');",
- "assert((function(){if(code.match(/myArray\\[0\\]\\s?=\\s?/g)){return true;}else{return false;}})(), 'message: You should be using correct index to modify the value in myArray.');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [1,2,3];",
@@ -1459,6 +1481,10 @@
"solutions": [
"var myArray = [1,2,3];\nmyArray[0] = 3;"
],
+ "tests": [
+ "assert((function(){if(typeof(myArray) != 'undefined' && myArray[0] == 3 && myArray[1] == 2 && myArray[2] == 3){return true;}else{return false;}})(), 'message: myArray should now be [3,2,3].');",
+ "assert((function(){if(code.match(/myArray\\[0\\]\\s?=\\s?/g)){return true;}else{return false;}})(), 'message: You should be using correct index to modify the value in myArray.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1473,10 +1499,6 @@
"Read from myArray using bracket notation so that myData is equal to 8"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myData === 8, 'message: myData should be equal to 8.');",
- "assert(/myArray\\[2\\]\\[1\\]/g.test(code), 'message: You should be using bracket notation to read the value from myArray.');"
- ],
"challengeSeed": [
"// Setup",
"var myArray = [[1,2,3], [4,5,6], [7,8,9], [[10,11,12], 13, 14]];",
@@ -1491,6 +1513,10 @@
"solutions": [
"var myArray = [[1,2,3],[4,5,6], [7,8,9], [[10,11,12], 13, 14]];\nvar myData = myArray[2][1];"
],
+ "tests": [
+ "assert(myData === 8, 'message: myData should be equal to 8.');",
+ "assert(/myArray\\[2\\]\\[1\\]/g.test(code), 'message: You should be using bracket notation to read the value from myArray.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1506,9 +1532,6 @@
"Instructions
",
"Push [\"dog\", 3] onto the end of the myArray variable."
],
- "tests": [
- "assert((function(d){if(d[2] != undefined && d[0][0] == 'John' && d[0][1] == 23 && d[2][0] == 'dog' && d[2][1] == 3 && d[2].length == 2){return true;}else{return false;}})(myArray), 'message: myArray should now equal [[\"John\", 23], [\"cat\", 2], [\"dog\", 3]].');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [\"Stimpson\", \"J\", \"cat\"];",
@@ -1528,6 +1551,9 @@
"solutions": [
"var myArray = [[\"John\", 23], [\"cat\", 2]];\nmyArray.push([\"dog\",3]);"
],
+ "tests": [
+ "assert((function(d){if(d[2] != undefined && d[0][0] == 'John' && d[0][1] == 23 && d[2][0] == 'dog' && d[2][1] == 3 && d[2].length == 2){return true;}else{return false;}})(myArray), 'message: myArray should now equal [[\"John\", 23], [\"cat\", 2], [\"dog\", 3]].');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1542,10 +1568,6 @@
"Instructions
",
"Use the .pop() function to remove the last item from myArray, assigning the \"popped off\" value to removedFromMyArray."
],
- "tests": [
- "assert((function(d){if(d[0][0] == 'John' && d[0][1] == 23 && d[2] == undefined){return true;}else{return false;}})(myArray), 'message: myArray should only contain [[\"John\", 23]].');",
- "assert((function(d){if(d[0] == 'cat' && d[1] == 2 && d[2] == undefined){return true;}else{return false;}})(removedFromMyArray), 'message: removedFromMyArray should only contain [\"cat\", 2].');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [1,2,3];",
@@ -1566,6 +1588,10 @@
"solutions": [
"var myArray = [[\"John\", 23], [\"cat\", 2]];\nvar removedFromMyArray = myArray.pop();"
],
+ "tests": [
+ "assert((function(d){if(d[0][0] == 'John' && d[0][1] == 23 && d[2] == undefined){return true;}else{return false;}})(myArray), 'message: myArray should only contain [[\"John\", 23]].');",
+ "assert((function(d){if(d[0] == 'cat' && d[1] == 2 && d[2] == undefined){return true;}else{return false;}})(removedFromMyArray), 'message: removedFromMyArray should only contain [\"cat\", 2].');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1578,10 +1604,6 @@
"Instructions
",
"Use the .shift() function to remove the first item from myArray, assigning the \"shifted off\" value to removedFromMyArray."
],
- "tests": [
- "assert((function(d){if(d[0][0] == 'dog' && d[0][1] == 3 && d[1] == undefined){return true;}else{return false;}})(myArray), 'message: myArray should now equal [[\"dog\", 3]].');",
- "assert((function(d){if(d[0] === 'John' && d[1] === 23 && typeof(removedFromMyArray) === 'object'){return true;}else{return false;}})(removedFromMyArray), 'message: removedFromMyArray should contain [\"John\", 23].');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [\"Stimpson\", \"J\", [\"cat\"]];",
@@ -1602,6 +1624,10 @@
"solutions": [
"var myArray = [[\"John\", 23], [\"dog\", 3]];\n\n// Only change code below this line.\nvar removedFromMyArray = myArray.shift();"
],
+ "tests": [
+ "assert((function(d){if(d[0][0] == 'dog' && d[0][1] == 3 && d[1] == undefined){return true;}else{return false;}})(myArray), 'message: myArray should now equal [[\"dog\", 3]].');",
+ "assert((function(d){if(d[0] === 'John' && d[1] === 23 && typeof(removedFromMyArray) === 'object'){return true;}else{return false;}})(removedFromMyArray), 'message: removedFromMyArray should contain [\"John\", 23].');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1614,9 +1640,6 @@
"Instructions
",
"Add [\"Paul\",35] to the beginning of the myArray variable using unshift()."
],
- "tests": [
- "assert((function(d){if(typeof(d[0]) === \"object\" && d[0][0].toLowerCase() == 'paul' && d[0][1] == 35 && d[1][0] != undefined && d[1][0] == 'dog' && d[1][1] != undefined && d[1][1] == 3){return true;}else{return false;}})(myArray), 'message: myArray should now have [[\"Paul\", 35], [\"dog\", 3]]).');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [\"Stimpson\", \"J\", \"cat\"];",
@@ -1638,6 +1661,9 @@
"solutions": [
"var myArray = [[\"John\", 23], [\"dog\", 3]];\nmyArray.shift();\nmyArray.unshift([\"Paul\", 35]);"
],
+ "tests": [
+ "assert((function(d){if(typeof(d[0]) === \"object\" && d[0][0].toLowerCase() == 'paul' && d[0][1] == 35 && d[1][0] != undefined && d[1][0] == 'dog' && d[1][1] != undefined && d[1][1] == 3){return true;}else{return false;}})(myArray), 'message: myArray should now have [[\"Paul\", 35], [\"dog\", 3]]).');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1651,12 +1677,6 @@
"There should be at least 5 sub-arrays in the list."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(isArray, 'message: myList should be an array');",
- "assert(hasString, 'message: The first elements in each of your sub-arrays must all be strings');",
- "assert(hasNumber, 'message: The second elements in each of your sub-arrays must all be numbers');",
- "assert(count > 4, 'message: You must have at least 5 items in your list');"
- ],
"challengeSeed": [
"var myList = [];",
"",
@@ -1689,6 +1709,12 @@
"solutions": [
"var myList = [\n [\"Candy\", 10],\n [\"Potatoes\", 12],\n [\"Eggs\", 12],\n [\"Catfood\", 1],\n [\"Toads\", 9]\n];"
],
+ "tests": [
+ "assert(isArray, 'message: myList should be an array');",
+ "assert(hasString, 'message: The first elements in each of your sub-arrays must all be strings');",
+ "assert(hasNumber, 'message: The second elements in each of your sub-arrays must all be numbers');",
+ "assert(count > 4, 'message: You must have at least 5 items in your list');"
+ ],
"type": "bonfire",
"challengeType": "5",
"nameCn": "",
@@ -1710,11 +1736,6 @@
"Instructions
",
"- Create a function called
myFunction which prints \"Hi World\" to the dev console. - Call the function.
"
],
- "tests": [
- "assert(typeof myFunction === 'function', 'message: myFunction should be a function');",
- "assert(\"Hi World\" === logOutput, 'message: myFunction should output \"Hi World\" to the dev console');",
- "assert(/^\\s*myFunction\\(\\)\\s*;/m.test(code), 'message: Call myFunction after you define it');"
- ],
"challengeSeed": [
"// Example",
"function ourFunction() {",
@@ -1753,6 +1774,11 @@
"solutions": [
"function myFunction() {\n console.log(\"Hi World\");\n}\nmyFunction();"
],
+ "tests": [
+ "assert(typeof myFunction === 'function', 'message: myFunction should be a function');",
+ "assert(\"Hi World\" === logOutput, 'message: myFunction should output \"Hi World\" to the dev console');",
+ "assert(/^\\s*myFunction\\(\\)\\s*;/m.test(code), 'message: Call myFunction after you define it');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -1770,12 +1796,6 @@
"- Create a function called
myFunction that accepts two arguments and outputs their sum to the dev console. - Call the function.
"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof myFunction === 'function', 'message: myFunction should be a function');",
- "capture(); myFunction(1,2); uncapture(); assert(logOutput == 3, 'message: myFunction(1,2) should output 3');",
- "capture(); myFunction(7,9); uncapture(); assert(logOutput == 16, 'message: myFunction(7,9) should output 16');",
- "assert(/^\\s*myFunction\\(\\s*\\d+\\s*,\\s*\\d+\\s*\\)\\s*;/m.test(code), 'message: Call myFunction after you define it');"
- ],
"head": [
"var logOutput = \"\";",
"var oldLog = console.log;",
@@ -1813,7 +1833,13 @@
"}"
],
"solutions": [
- ""
+ "function myFunction(a, b) {\n console.log(a + b);\n}\nmyFunction(10, 5);"
+ ],
+ "tests": [
+ "assert(typeof myFunction === 'function', 'message: myFunction should be a function');",
+ "capture(); myFunction(1,2); uncapture(); assert(logOutput == 3, 'message: myFunction(1,2) should output 3');",
+ "capture(); myFunction(7,9); uncapture(); assert(logOutput == 16, 'message: myFunction(7,9) should output 16');",
+ "assert(/^\\s*myFunction\\(\\s*\\d+\\s*,\\s*\\d+\\s*\\)\\s*;/m.test(code), 'message: Call myFunction after you define it');"
],
"type": "waypoint",
"challengeType": "1",
@@ -1834,13 +1860,6 @@
"Inside function fun1, assign 5 to oopsGlobal without using the var keyword."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof myGlobal != \"undefined\", 'message: myGlobal should be defined');",
- "assert(myGlobal === 10, 'message: myGlobal should have a value of 10');",
- "assert(/var\\s+myGlobal/.test(code), 'message: myGlobal should be declared using the var keyword');",
- "assert(typeof oopsGlobal != \"undefined\" && oopsGlobal === 5, 'message: oopsGlobal should have a value of 5');",
- "assert(!/var\\s+oopsGlobal/.test(code), 'message: Do not decalre oopsGlobal using the var keyword');"
- ],
"head": [
"var logOutput = \"\";",
"var oldLog = console.log;",
@@ -1854,7 +1873,7 @@
"function uncapture() {",
" console.log = oldLog;",
"}",
- "",
+ "var oopsGlobal;",
"capture();"
],
"challengeSeed": [
@@ -1885,7 +1904,14 @@
"(function() { return logOutput || \"console.log never called\"; })();"
],
"solutions": [
- ""
+ "// Declare your variable here\nvar myGlobal = 10;\n\nfunction fun1() {\n // Assign 5 to oopsGlobal Here\n oopsGlobal = 5;\n}\n\n// Only change code above this line\nfunction fun2() {\n var output = \"\";\n if(typeof myGlobal != \"undefined\") {\n output += \"myGlobal: \" + myGlobal;\n }\n if(typeof oopsGlobal != \"undefined\") {\n output += \" oopsGlobal: \" + oopsGlobal;\n }\n console.log(output);\n}"
+ ],
+ "tests": [
+ "assert(typeof myGlobal != \"undefined\", 'message: myGlobal should be defined');",
+ "assert(myGlobal === 10, 'message: myGlobal should have a value of 10');",
+ "assert(/var\\s+myGlobal/.test(code), 'message: myGlobal should be declared using the var keyword');",
+ "assert(typeof oopsGlobal != \"undefined\" && oopsGlobal === 5, 'message: oopsGlobal should have a value of 5');",
+ "assert(!/var\\s+oopsGlobal/.test(code), 'message: Do not decalre oopsGlobal using the var keyword');"
],
"type": "waypoint",
"challengeType": "1",
@@ -1907,9 +1933,6 @@
"Declare a local variable myVar inside myFunction"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(code.match(/console\\.log/gi).length === 1, 'message: Remove the second console log');"
- ],
"challengeSeed": [
"function myFunction() {",
" ",
@@ -1930,6 +1953,9 @@
"solutions": [
"function myFunction() {\n var myVar;\n console.log(myVar);\n}\nmyFunction();"
],
+ "tests": [
+ "assert(code.match(/console\\.log/gi).length === 1, 'message: Remove the second console log');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -1950,11 +1976,6 @@
"Add a local variable to myFunction to override the value of outerWear with \"sweater\"."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(outerWear === \"T-Shirt\", 'message: Do not change the value of the global outerWear');",
- "assert(myFunction() === \"sweater\", 'message: myFunction should return \"sweater\"');",
- "assert(/return outerWear/.test(code), 'message: Do not change the return statement');"
- ],
"challengeSeed": [
"// Setup",
"var outerWear = \"T-Shirt\";",
@@ -1973,6 +1994,11 @@
"solutions": [
"var outerWear = \"T-Shirt\";\nfunction myFunction() {\n var outerWear = \"sweater\";\n return outerWear;\n}"
],
+ "tests": [
+ "assert(outerWear === \"T-Shirt\", 'message: Do not change the value of the global outerWear');",
+ "assert(myFunction() === \"sweater\", 'message: myFunction should return \"sweater\"');",
+ "assert(/return outerWear/.test(code), 'message: Do not change the return statement');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -1993,12 +2019,6 @@
"Create a function timesFive that accepts one argument, multiplies it by 5, and returns the new value."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof timesFive === 'function', 'message: timesFive should be a function');",
- "assert(timesFive(5) === 25, 'message: timesFive(5) should return 25');",
- "assert(timesFive(2) === 10, 'message: timesFive(2) should return 10');",
- "assert(timesFive(0) === 0, 'message: timesFive(0) should return 0');"
- ],
"challengeSeed": [
"// Example",
"function minusSeven(num) {",
@@ -2015,6 +2035,12 @@
"solutions": [
"function timesFive(num) {\n return num * 5;\n}"
],
+ "tests": [
+ "assert(typeof timesFive === 'function', 'message: timesFive should be a function');",
+ "assert(timesFive(5) === 25, 'message: timesFive(5) should return 25');",
+ "assert(timesFive(2) === 10, 'message: timesFive(2) should return 10');",
+ "assert(timesFive(0) === 0, 'message: timesFive(0) should return 0');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2035,10 +2061,6 @@
"Call the process function with an argument of 7 and assign its return value to the variable processed."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(processed === 2, 'message: processed should have a value of 2');",
- "assert(/processed\\s*=\\s*process\\(\\s*7\\s*\\)\\s*;/.test(code), 'message: You should assign process to processed');"
- ],
"challengeSeed": [
"// Setup",
"var processed = 0;",
@@ -2057,6 +2079,10 @@
"solutions": [
"var processed = 0;\n\nfunction process(num) {\n return (num + 3) / 5;\n}\n\nprocessed = process(7);"
],
+ "tests": [
+ "assert(processed === 2, 'message: processed should have a value of 2');",
+ "assert(/processed\\s*=\\s*process\\(\\s*7\\s*\\)\\s*;/.test(code), 'message: You should assign process to processed');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2073,11 +2099,6 @@
"Write a function queue which takes an \"array\" and an \"item\" as arguments. Add the item onto the end of the array, then remove and return the item at the front of the queue."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(queue([],1) === 1, 'message: queue([], 1) should return 1');",
- "assert(queue([2],1) === 2, 'message: queue([2], 1) should return 2');",
- "queue(myArr, 10); assert(myArr[4] === 10, 'message: After queue(myArr, 10), myArr[4] should be 10');"
- ],
"head": [
"var logOutput = [];",
"var oldLog = console.log;",
@@ -2117,6 +2138,11 @@
"solutions": [
"var myArr = [ 1,2,3,4,5];\n\nfunction queue(myArr, item) {\n myArr.push(item);\n return myArr.shift();\n}"
],
+ "tests": [
+ "assert(queue([],1) === 1, 'message: queue([], 1) should return 1');",
+ "assert(queue([2],1) === 2, 'message: queue([2], 1) should return 2');",
+ "queue(myArr, 10); assert(myArr[4] === 10, 'message: After queue(myArr, 10), myArr[4] should be 10');"
+ ],
"type": "bonfire",
"challengeType": "5",
"nameCn": "",
@@ -2137,14 +2163,6 @@
"Instructions
",
"Create an if statement inside the function to return \"Yes\" if testMe is greater than 5. Return \"No\" if it is less than or equal to 5."
],
- "tests": [
- "assert(typeof myFunction === \"function\", 'message: myFunction should be a function');",
- "assert(typeof myFunction(4) === \"string\", 'message: myFunction(4) should return a string');",
- "assert(typeof myFunction(6) === \"string\", 'message: myFunction(6) should return a string');",
- "assert(myFunction(4) === \"No\", 'message: myFunction(4) should \"No\"');",
- "assert(myFunction(5) === \"No\", 'message: myFunction(5) should \"No\"');",
- "assert(myFunction(6) === \"Yes\", 'message: myFunction(6) should \"Yes\"');"
- ],
"challengeSeed": [
"// Example",
"function ourFunction(testMe) {",
@@ -2171,6 +2189,14 @@
"solutions": [
"function myFunction(testMe) {\n if (testMe > 5) {\n return 'Yes';\n }\n return 'No';\n}"
],
+ "tests": [
+ "assert(typeof myFunction === \"function\", 'message: myFunction should be a function');",
+ "assert(typeof myFunction(4) === \"string\", 'message: myFunction(4) should return a string');",
+ "assert(typeof myFunction(6) === \"string\", 'message: myFunction(6) should return a string');",
+ "assert(myFunction(4) === \"No\", 'message: myFunction(4) should \"No\"');",
+ "assert(myFunction(5) === \"No\", 'message: myFunction(5) should \"No\"');",
+ "assert(myFunction(6) === \"Yes\", 'message: myFunction(6) should \"Yes\"');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -2188,12 +2214,6 @@
"Add the equality operator to the indicated line so that the function will return \"Equal\" when val is equivalent to 12"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(10) === \"Not Equal\", 'message: myTest(10) should return \"Not Equal\"');",
- "assert(myTest(12) === \"Equal\", 'message: myTest(12) should return \"Equal\"');",
- "assert(myTest(\"12\") === \"Equal\", 'message: myTest(\"12\") should return \"Equal\"');",
- "assert(code.match(/val\\s*==\\s*\\d+/g).length > 0, 'message: You should use the == operator');"
- ],
"challengeSeed": [
"// Setup",
"function myTest(val) {",
@@ -2209,6 +2229,12 @@
"solutions": [
"function myTest(val) {\n if (val == 12) {\n return \"Equal\";\n }\n return \"Not Equal\";\n}"
],
+ "tests": [
+ "assert(myTest(10) === \"Not Equal\", 'message: myTest(10) should return \"Not Equal\"');",
+ "assert(myTest(12) === \"Equal\", 'message: myTest(12) should return \"Equal\"');",
+ "assert(myTest(\"12\") === \"Equal\", 'message: myTest(\"12\") should return \"Equal\"');",
+ "assert(code.match(/val\\s*==\\s*\\d+/g).length > 0, 'message: You should use the == operator');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2229,12 +2255,6 @@
"Use strict equality operator in if statement so the function will return \"Equal\" when val is strictly equal to 7"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(10) === \"Not Equal\", 'message: myTest(10) should return \"Not Equal\"');",
- "assert(myTest(7) === \"Equal\", 'message: myTest(7) should return \"Equal\"');",
- "assert(myTest(\"7\") === \"Not Equal\", 'message: myTest(\"7\") should return \"Not Equal\"');",
- "assert(code.match(/val\\s*===\\s*\\d+/g).length > 0, 'message: You should use the === operator');"
- ],
"challengeSeed": [
"// Setup",
"function myTest(val) {",
@@ -2250,6 +2270,12 @@
"solutions": [
"function myTest(val) {\n if (val === 7) {\n return \"Equal\";\n }\n return \"Not Equal\";\n}"
],
+ "tests": [
+ "assert(myTest(10) === \"Not Equal\", 'message: myTest(10) should return \"Not Equal\"');",
+ "assert(myTest(7) === \"Equal\", 'message: myTest(7) should return \"Equal\"');",
+ "assert(myTest(\"7\") === \"Not Equal\", 'message: myTest(\"7\") should return \"Not Equal\"');",
+ "assert(code.match(/val\\s*===\\s*\\d+/g).length > 0, 'message: You should use the === operator');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2269,14 +2295,6 @@
"Add the inequality operator != in the if statement so that the function will return \"Not Equal\" when val is not equivalent to 99"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(99) === \"Equal\", 'message: myTest(99) should return \"Equal\"');",
- "assert(myTest(\"99\") === \"Equal\", 'message: myTest(\"99\") should return \"Equal\"');",
- "assert(myTest(12) === \"Not Equal\", 'message: myTest(12) should return \"Not Equal\"');",
- "assert(myTest(\"12\") === \"Not Equal\", 'message: myTest(\"12\") should return \"Not Equal\"');",
- "assert(myTest(\"bob\") === \"Not Equal\", 'message: myTest(\"bob\") should return \"Not Equal\"');",
- "assert(code.match(/val\\s*!=\\s*\\d+/g).length > 0, 'message: You should use the != operator');"
- ],
"challengeSeed": [
"// Setup",
"function myTest(val) {",
@@ -2292,6 +2310,14 @@
"solutions": [
"function myTest(val) {\n if (val != 99) {\n return \"Not Equal\";\n }\n return \"Equal\";\n}"
],
+ "tests": [
+ "assert(myTest(99) === \"Equal\", 'message: myTest(99) should return \"Equal\"');",
+ "assert(myTest(\"99\") === \"Equal\", 'message: myTest(\"99\") should return \"Equal\"');",
+ "assert(myTest(12) === \"Not Equal\", 'message: myTest(12) should return \"Not Equal\"');",
+ "assert(myTest(\"12\") === \"Not Equal\", 'message: myTest(\"12\") should return \"Not Equal\"');",
+ "assert(myTest(\"bob\") === \"Not Equal\", 'message: myTest(\"bob\") should return \"Not Equal\"');",
+ "assert(code.match(/val\\s*!=\\s*\\d+/g).length > 0, 'message: You should use the != operator');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2311,13 +2337,6 @@
"Add the strict inequality operator to the if statement so the function will return \"Not Equal\" when val is not strictly equal to 17"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(17) === \"Equal\", 'message: myTest(17) should return \"Equal\"');",
- "assert(myTest(\"17\") === \"Not Equal\", 'message: myTest(\"17\") should return \"Not Equal\"');",
- "assert(myTest(12) === \"Not Equal\", 'message: myTest(12) should return \"Not Equal\"');",
- "assert(myTest(\"bob\") === \"Not Equal\", 'message: myTest(\"bob\") should return \"Not Equal\"');",
- "assert(code.match(/val\\s*!==\\s*\\d+/g).length > 0, 'message: You should use the !== operator');"
- ],
"challengeSeed": [
"// Setup",
"function myTest(val) {",
@@ -2338,6 +2357,13 @@
"solutions": [
"function myTest(val) {\n if (val !== 17) {\n return \"Not Equal\";\n }\n return \"Equal\";\n}"
],
+ "tests": [
+ "assert(myTest(17) === \"Equal\", 'message: myTest(17) should return \"Equal\"');",
+ "assert(myTest(\"17\") === \"Not Equal\", 'message: myTest(\"17\") should return \"Not Equal\"');",
+ "assert(myTest(12) === \"Not Equal\", 'message: myTest(12) should return \"Not Equal\"');",
+ "assert(myTest(\"bob\") === \"Not Equal\", 'message: myTest(\"bob\") should return \"Not Equal\"');",
+ "assert(code.match(/val\\s*!==\\s*\\d+/g).length > 0, 'message: You should use the !== operator');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2357,16 +2383,6 @@
"Add the greater than operator to the indicated lines so that the return statements make sense."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(0) === \"10 or Under\", 'message: myTest(0) should return \"10 or Under\"');",
- "assert(myTest(10) === \"10 or Under\", 'message: myTest(10) should return \"10 or Under\"');",
- "assert(myTest(11) === \"Over 10\", 'message: myTest(11) should return \"Over 10\"');",
- "assert(myTest(99) === \"Over 10\", 'message: myTest(99) should return \"Over 10\"');",
- "assert(myTest(100) === \"Over 10\", 'message: myTest(100) should return \"Over 10\"');",
- "assert(myTest(101) === \"Over 100\", 'message: myTest(101) should return \"Over 100\"');",
- "assert(myTest(150) === \"Over 100\", 'message: myTest(150) should return \"Over 100\"');",
- "assert(code.match(/val\\s*>\\s*\\d+/g).length > 1, 'message: You should use the > operator at least twice');"
- ],
"challengeSeed": [
"function myTest(val) {",
" if (val) { // Change this line",
@@ -2386,6 +2402,16 @@
"solutions": [
"function myTest(val) {\n if (val > 100) { // Change this line\n return \"Over 100\";\n }\n if (val > 10) { // Change this line\n return \"Over 10\";\n }\n return \"10 or Under\";\n}"
],
+ "tests": [
+ "assert(myTest(0) === \"10 or Under\", 'message: myTest(0) should return \"10 or Under\"');",
+ "assert(myTest(10) === \"10 or Under\", 'message: myTest(10) should return \"10 or Under\"');",
+ "assert(myTest(11) === \"Over 10\", 'message: myTest(11) should return \"Over 10\"');",
+ "assert(myTest(99) === \"Over 10\", 'message: myTest(99) should return \"Over 10\"');",
+ "assert(myTest(100) === \"Over 10\", 'message: myTest(100) should return \"Over 10\"');",
+ "assert(myTest(101) === \"Over 100\", 'message: myTest(101) should return \"Over 100\"');",
+ "assert(myTest(150) === \"Over 100\", 'message: myTest(150) should return \"Over 100\"');",
+ "assert(code.match(/val\\s*>\\s*\\d+/g).length > 1, 'message: You should use the > operator at least twice');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2405,16 +2431,6 @@
"Add the greater than equal to operator to the indicated lines so that the return statements make sense."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(0) === \"9 or Under\", 'message: myTest(0) should return \"9 or Under\"');",
- "assert(myTest(9) === \"9 or Under\", 'message: myTest(9) should return \"9 or Under\"');",
- "assert(myTest(10) === \"10 or Over\", 'message: myTest(10) should return \"10 or Over\"');",
- "assert(myTest(11) === \"10 or Over\", 'message: myTest(10) should return \"10 or Over\"');",
- "assert(myTest(19) === \"10 or Over\", 'message: myTest(19) should return \"10 or Over\"');",
- "assert(myTest(20) === \"20 or Over\", 'message: myTest(100) should return \"20 or Over\"');",
- "assert(myTest(21) === \"20 or Over\", 'message: myTest(101) should return \"20 or Over\"');",
- "assert(code.match(/val\\s*>=\\s*\\d+/g).length > 1, 'message: You should use the >= operator at least twice');"
- ],
"challengeSeed": [
"function myTest(val) {",
" if (val) { // Change this line",
@@ -2434,6 +2450,16 @@
"solutions": [
"function myTest(val) {\n if (val >= 20) { // Change this line\n return \"20 or Over\";\n }\n \n if (val >= 10) { // Change this line\n return \"10 or Over\";\n }\n\n return \"9 or Under\";\n}"
],
+ "tests": [
+ "assert(myTest(0) === \"9 or Under\", 'message: myTest(0) should return \"9 or Under\"');",
+ "assert(myTest(9) === \"9 or Under\", 'message: myTest(9) should return \"9 or Under\"');",
+ "assert(myTest(10) === \"10 or Over\", 'message: myTest(10) should return \"10 or Over\"');",
+ "assert(myTest(11) === \"10 or Over\", 'message: myTest(10) should return \"10 or Over\"');",
+ "assert(myTest(19) === \"10 or Over\", 'message: myTest(19) should return \"10 or Over\"');",
+ "assert(myTest(20) === \"20 or Over\", 'message: myTest(100) should return \"20 or Over\"');",
+ "assert(myTest(21) === \"20 or Over\", 'message: myTest(101) should return \"20 or Over\"');",
+ "assert(code.match(/val\\s*>=\\s*\\d+/g).length > 1, 'message: You should use the >= operator at least twice');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2453,15 +2479,6 @@
"Add the less than operator to the indicated lines so that the return statements make sense."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(0) === \"Under 25\", 'message: myTest(0) should return \"Under 25\"');",
- "assert(myTest(24) === \"Under 25\", 'message: myTest(24) should return \"Under 25\"');",
- "assert(myTest(25) === \"Under 55\", 'message: myTest(25) should return \"Under 55\"');",
- "assert(myTest(54) === \"Under 55\", 'message: myTest(54) should return \"Under 55\"');",
- "assert(myTest(55) === \"55 or Over\", 'message: myTest(55) should return \"55 or Over\"');",
- "assert(myTest(99) === \"55 or Over\", 'message: myTest(99) should return \"55 or Over\"');",
- "assert(code.match(/val\\s*<\\s*\\d+/g).length > 1, 'message: You should use the < operator at least twice');"
- ],
"challengeSeed": [
"function myTest(val) {",
" if (val) { // Change this line",
@@ -2481,6 +2498,15 @@
"solutions": [
"function myTest(val) {\n if (val < 25) { // Change this line\n return \"Under 25\";\n }\n \n if (val < 55) { // Change this line\n return \"Under 55\";\n }\n\n return \"55 or Over\";\n}"
],
+ "tests": [
+ "assert(myTest(0) === \"Under 25\", 'message: myTest(0) should return \"Under 25\"');",
+ "assert(myTest(24) === \"Under 25\", 'message: myTest(24) should return \"Under 25\"');",
+ "assert(myTest(25) === \"Under 55\", 'message: myTest(25) should return \"Under 55\"');",
+ "assert(myTest(54) === \"Under 55\", 'message: myTest(54) should return \"Under 55\"');",
+ "assert(myTest(55) === \"55 or Over\", 'message: myTest(55) should return \"55 or Over\"');",
+ "assert(myTest(99) === \"55 or Over\", 'message: myTest(99) should return \"55 or Over\"');",
+ "assert(code.match(/val\\s*<\\s*\\d+/g).length > 1, 'message: You should use the < operator at least twice');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2500,16 +2526,6 @@
"Add the less than equal to operator to the indicated lines so that the return statements make sense."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(0) === \"Smaller Than or Equal to 12\", 'message: myTest(0) should return \"Smaller Than or Equal to 12\"');",
- "assert(myTest(11) === \"Smaller Than or Equal to 12\", 'message: myTest(11) should return \"Smaller Than or Equal to 12\"');",
- "assert(myTest(12) === \"Smaller Than or Equal to 12\", 'message: myTest(12) should return \"Smaller Than or Equal to 12\"');",
- "assert(myTest(23) === \"Smaller Than or Equal to 24\", 'message: myTest(23) should return \"Smaller Than or Equal to 24\"');",
- "assert(myTest(24) === \"Smaller Than or Equal to 24\", 'message: myTest(24) should return \"Smaller Than or Equal to 24\"');",
- "assert(myTest(25) === \"25 or More\", 'message: myTest(25) should return \"25 or More\"');",
- "assert(myTest(55) === \"25 or More\", 'message: myTest(55) should return \"25 or More\"');",
- "assert(code.match(/val\\s*<=\\s*\\d+/g).length > 1, 'message: You should use the <= operator at least twice');"
- ],
"challengeSeed": [
"function myTest(val) {",
" if (val) { // Change this line",
@@ -2530,6 +2546,16 @@
"solutions": [
"function myTest(val) {\n if (val <= 12) { // Change this line\n return \"Smaller Than or Equal to 12\";\n }\n \n if (val <= 24) { // Change this line\n return \"Smaller Than or Equal to 24\";\n }\n\n return \"25 or More\";\n}"
],
+ "tests": [
+ "assert(myTest(0) === \"Smaller Than or Equal to 12\", 'message: myTest(0) should return \"Smaller Than or Equal to 12\"');",
+ "assert(myTest(11) === \"Smaller Than or Equal to 12\", 'message: myTest(11) should return \"Smaller Than or Equal to 12\"');",
+ "assert(myTest(12) === \"Smaller Than or Equal to 12\", 'message: myTest(12) should return \"Smaller Than or Equal to 12\"');",
+ "assert(myTest(23) === \"Smaller Than or Equal to 24\", 'message: myTest(23) should return \"Smaller Than or Equal to 24\"');",
+ "assert(myTest(24) === \"Smaller Than or Equal to 24\", 'message: myTest(24) should return \"Smaller Than or Equal to 24\"');",
+ "assert(myTest(25) === \"25 or More\", 'message: myTest(25) should return \"25 or More\"');",
+ "assert(myTest(55) === \"25 or More\", 'message: myTest(55) should return \"25 or More\"');",
+ "assert(code.match(/val\\s*<=\\s*\\d+/g).length > 1, 'message: You should use the <= operator at least twice');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2551,18 +2577,6 @@
"Combine the two if statements into one statement which will return \"Yes\" if val is less than or equal to 50 and greater than or equal to 25. Otherwise, will return \"No\"."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(code.match(/&&/g).length === 1, 'message: You should use the && operator once');",
- "assert(code.match(/if/g).length === 1, 'message: You should only have one if statement');",
- "assert(myTest(0) === \"No\", 'message: myTest(0) should return \"No\"');",
- "assert(myTest(24) === \"No\", 'message: myTest(24) should return \"No\"');",
- "assert(myTest(25) === \"Yes\", 'message: myTest(25) should return \"Yes\"');",
- "assert(myTest(49) === \"Yes\", 'message: myTest(30) should return \"Yes\"');",
- "assert(myTest(50) === \"Yes\", 'message: myTest(50) should return \"Yes\"');",
- "assert(myTest(51) === \"No\", 'message: myTest(51) should return \"No\"');",
- "assert(myTest(75) === \"No\", 'message: myTest(75) should return \"No\"');",
- "assert(myTest(51) === \"No\", 'message: myTest(51) should return \"No\"');"
- ],
"challengeSeed": [
"function myTest(val) {",
" // Only change code below this line",
@@ -2583,6 +2597,18 @@
"solutions": [
"function myTest(val) {\n if (val >= 25 && val <= 50) {\n return \"Yes\";\n }\n return \"No\";\n}"
],
+ "tests": [
+ "assert(code.match(/&&/g).length === 1, 'message: You should use the && operator once');",
+ "assert(code.match(/if/g).length === 1, 'message: You should only have one if statement');",
+ "assert(myTest(0) === \"No\", 'message: myTest(0) should return \"No\"');",
+ "assert(myTest(24) === \"No\", 'message: myTest(24) should return \"No\"');",
+ "assert(myTest(25) === \"Yes\", 'message: myTest(25) should return \"Yes\"');",
+ "assert(myTest(49) === \"Yes\", 'message: myTest(30) should return \"Yes\"');",
+ "assert(myTest(50) === \"Yes\", 'message: myTest(50) should return \"Yes\"');",
+ "assert(myTest(51) === \"No\", 'message: myTest(51) should return \"No\"');",
+ "assert(myTest(75) === \"No\", 'message: myTest(75) should return \"No\"');",
+ "assert(myTest(51) === \"No\", 'message: myTest(51) should return \"No\"');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2604,18 +2630,6 @@
"Combine the two if statements into one statement which returns \"Inside\" if val is between 10 and 20, inclusive. Otherwise, return \"Outside\"."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(code.match(/\\|\\|/g).length === 1, 'message: You should use the || operator once');",
- "assert(code.match(/if/g).length === 1, 'message: You should only have one if statement');",
- "assert(myTest(0) === \"Outside\", 'message: myTest(0) should return \"Outside\"');",
- "assert(myTest(9) === \"Outside\", 'message: myTest(9) should return \"Outside\"');",
- "assert(myTest(10) === \"Inside\", 'message: myTest(10) should return \"Inside\"');",
- "assert(myTest(15) === \"Inside\", 'message: myTest(15) should return \"Inside\"');",
- "assert(myTest(19) === \"Inside\", 'message: myTest(19) should return \"Inside\"');",
- "assert(myTest(20) === \"Inside\", 'message: myTest(20) should return \"Inside\"');",
- "assert(myTest(21) === \"Outside\", 'message: myTest(21) should return \"Outside\"');",
- "assert(myTest(25) === \"Outside\", 'message: myTest(25) should return \"Outside\"');"
- ],
"challengeSeed": [
"function myTest(val) {",
" // Only change code below this line",
@@ -2638,6 +2652,18 @@
"solutions": [
"function myTest(val) {\n if (val < 10 || val > 20) {\n return \"Outside\";\n }\n return \"Inside\";\n}"
],
+ "tests": [
+ "assert(code.match(/\\|\\|/g).length === 1, 'message: You should use the || operator once');",
+ "assert(code.match(/if/g).length === 1, 'message: You should only have one if statement');",
+ "assert(myTest(0) === \"Outside\", 'message: myTest(0) should return \"Outside\"');",
+ "assert(myTest(9) === \"Outside\", 'message: myTest(9) should return \"Outside\"');",
+ "assert(myTest(10) === \"Inside\", 'message: myTest(10) should return \"Inside\"');",
+ "assert(myTest(15) === \"Inside\", 'message: myTest(15) should return \"Inside\"');",
+ "assert(myTest(19) === \"Inside\", 'message: myTest(19) should return \"Inside\"');",
+ "assert(myTest(20) === \"Inside\", 'message: myTest(20) should return \"Inside\"');",
+ "assert(myTest(21) === \"Outside\", 'message: myTest(21) should return \"Outside\"');",
+ "assert(myTest(25) === \"Outside\", 'message: myTest(25) should return \"Outside\"');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2656,15 +2682,6 @@
"Combine the if statements into a single statement."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(code.match(/if/g).length === 1, 'message: You should only have one if statement');",
- "assert(/else/g.test(code), 'message: You should use an else statement');",
- "assert(myTest(4) === \"5 or Smaller\", 'message: myTest(4) should return \"5 or Smaller\"');",
- "assert(myTest(5) === \"5 or Smaller\", 'message: myTest(5) should return \"5 or Smaller\"');",
- "assert(myTest(6) === \"Bigger than 5\", 'message: myTest(6) should return \"Bigger than 5\"');",
- "assert(myTest(10) === \"Bigger than 5\", 'message: myTest(10) should return \"Bigger than 5\"');",
- "assert(/var result = \"\";/.test(code) && /return result;/.test(code), 'message: Do not change the code above or below the lines.');"
- ],
"challengeSeed": [
"function myTest(val) {",
" var result = \"\";",
@@ -2689,6 +2706,15 @@
"solutions": [
"function myTest(val) {\n var result = \"\";\n if(val > 5) {\n result = \"Bigger than 5\";\n } else {\n result = \"5 or Smaller\";\n }\n return result;\n}"
],
+ "tests": [
+ "assert(code.match(/if/g).length === 1, 'message: You should only have one if statement');",
+ "assert(/else/g.test(code), 'message: You should use an else statement');",
+ "assert(myTest(4) === \"5 or Smaller\", 'message: myTest(4) should return \"5 or Smaller\"');",
+ "assert(myTest(5) === \"5 or Smaller\", 'message: myTest(5) should return \"5 or Smaller\"');",
+ "assert(myTest(6) === \"Bigger than 5\", 'message: myTest(6) should return \"Bigger than 5\"');",
+ "assert(myTest(10) === \"Bigger than 5\", 'message: myTest(10) should return \"Bigger than 5\"');",
+ "assert(/var result = \"\";/.test(code) && /return result;/.test(code), 'message: Do not change the code above or below the lines.');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2707,15 +2733,6 @@
"Convert the logic to use else if statements."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(code.match(/else/g).length > 1, 'message: You should have at least two else statements');",
- "assert(code.match(/if/g).length > 1, 'message: You should have at least two if statements');",
- "assert(myTest(0) === \"Smaller than 5\", 'message: myTest(4) should return \"Smaller than 5\"');",
- "assert(myTest(5) === \"Between 5 and 10\", 'message: myTest(5) should return \"Smaller than 5\"');",
- "assert(myTest(7) === \"Between 5 and 10\", 'message: myTest(7) should return \"Between 5 and 10\"');",
- "assert(myTest(10) === \"Between 5 and 10\", 'message: myTest(10) should return \"Between 5 and 10\"');",
- "assert(myTest(12) === \"10 or Bigger\", 'message: myTest(12) should return \"10 or Bigger\"');"
- ],
"challengeSeed": [
"function myTest(val) {",
" if(val > 10) {",
@@ -2736,6 +2753,15 @@
"solutions": [
"function myTest(val) {\n if(val > 10) {\n return \"10 or Bigger\";\n } else if(val < 5) {\n return \"Smaller than 5\";\n } else {\n return \"Between 5 and 10\";\n }\n}"
],
+ "tests": [
+ "assert(code.match(/else/g).length > 1, 'message: You should have at least two else statements');",
+ "assert(code.match(/if/g).length > 1, 'message: You should have at least two if statements');",
+ "assert(myTest(0) === \"Smaller than 5\", 'message: myTest(4) should return \"Smaller than 5\"');",
+ "assert(myTest(5) === \"Between 5 and 10\", 'message: myTest(5) should return \"Smaller than 5\"');",
+ "assert(myTest(7) === \"Between 5 and 10\", 'message: myTest(7) should return \"Between 5 and 10\"');",
+ "assert(myTest(10) === \"Between 5 and 10\", 'message: myTest(10) should return \"Between 5 and 10\"');",
+ "assert(myTest(12) === \"10 or Bigger\", 'message: myTest(12) should return \"10 or Bigger\"');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2755,21 +2781,6 @@
"num < 5 - return \"Tiny\"
num < 10 - return \"Small\"
num < 15 - return \"Medium\"
num < 20 - return \"Large\"
num >= 20 - return \"Huge\""
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(code.match(/else/g).length > 3, 'message: You should have at least four else statements');",
- "assert(code.match(/if/g).length > 3, 'message: You should have at least four if statements');",
- "assert(code.match(/return/g).length === 5, 'message: You should have five return statements');",
- "assert(myTest(0) === \"Tiny\", 'message: myTest(0) should return \"Tiny\"');",
- "assert(myTest(4) === \"Tiny\", 'message: myTest(4) should return \"Tiny\"');",
- "assert(myTest(5) === \"Small\", 'message: myTest(5) should return \"Small\"');",
- "assert(myTest(8) === \"Small\", 'message: myTest(8) should return \"Small\"');",
- "assert(myTest(10) === \"Medium\", 'message: myTest(10) should return \"Medium\"');",
- "assert(myTest(14) === \"Medium\", 'message: myTest(14) should return \"Medium\"');",
- "assert(myTest(15) === \"Large\", 'message: myTest(15) should return \"Large\"');",
- "assert(myTest(17) === \"Large\", 'message: myTest(17) should return \"Large\"');",
- "assert(myTest(20) === \"Huge\", 'message: myTest(20) should return \"Huge\"');",
- "assert(myTest(25) === \"Huge\", 'message: myTest(25) should return \"Huge\"');"
- ],
"challengeSeed": [
"function myTest(num) {",
" // Only change code below this line",
@@ -2785,6 +2796,21 @@
"solutions": [
"function myTest(num) {\n if (num < 5) {\n return \"Tiny\";\n } else if (num < 10) {\n return \"Small\";\n } else if (num < 15) {\n return \"Medium\";\n } else if (num < 20) {\n return \"Large\";\n } else {\n return \"Huge\";\n }\n}"
],
+ "tests": [
+ "assert(code.match(/else/g).length > 3, 'message: You should have at least four else statements');",
+ "assert(code.match(/if/g).length > 3, 'message: You should have at least four if statements');",
+ "assert(code.match(/return/g).length === 5, 'message: You should have five return statements');",
+ "assert(myTest(0) === \"Tiny\", 'message: myTest(0) should return \"Tiny\"');",
+ "assert(myTest(4) === \"Tiny\", 'message: myTest(4) should return \"Tiny\"');",
+ "assert(myTest(5) === \"Small\", 'message: myTest(5) should return \"Small\"');",
+ "assert(myTest(8) === \"Small\", 'message: myTest(8) should return \"Small\"');",
+ "assert(myTest(10) === \"Medium\", 'message: myTest(10) should return \"Medium\"');",
+ "assert(myTest(14) === \"Medium\", 'message: myTest(14) should return \"Medium\"');",
+ "assert(myTest(15) === \"Large\", 'message: myTest(15) should return \"Large\"');",
+ "assert(myTest(17) === \"Large\", 'message: myTest(17) should return \"Large\"');",
+ "assert(myTest(20) === \"Huge\", 'message: myTest(20) should return \"Huge\"');",
+ "assert(myTest(25) === \"Huge\", 'message: myTest(25) should return \"Huge\"');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2803,19 +2829,6 @@
"par and strokes will always be numeric and positive."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(golfScore(4, 1) === \"Hole-in-one!\", 'message: golfScore(4, 1) should return \"Hole-in-one!\"');",
- "assert(golfScore(4, 2) === \"Eagle\", 'message: golfScore(4, 2) should return \"Eagle\"');",
- "assert(golfScore(5, 2) === \"Eagle\", 'message: golfScore(5, 2) should return \"Eagle\"');",
- "assert(golfScore(4, 3) === \"Birdie\", 'message: golfScore(4, 3) should return \"Birdie\"');",
- "assert(golfScore(4, 4) === \"Par\", 'message: golfScore(4, 4) should return \"Par\"');",
- "assert(golfScore(1, 1) === \"Hole-in-one!\", 'message: golfScore(1, 1) should return \"Hole-in-one!\"');",
- "assert(golfScore(5, 5) === \"Par\", 'message: golfScore(5, 5) should return \"Par\"');",
- "assert(golfScore(4, 5) === \"Bogey\", 'message: golfScore(4, 5) should return \"Bogey\"');",
- "assert(golfScore(4, 6) === \"Double Bogey\", 'message: golfScore(4, 6) should return \"Double Bogey\"');",
- "assert(golfScore(4, 7) === \"Go Home!\", 'message: golfScore(4, 7) should return \"Go Home!\"');",
- "assert(golfScore(5, 9) === \"Go Home!\", 'message: golfScore(5, 9) should return \"Go Home!\"');"
- ],
"challengeSeed": [
"function golfScore(par, strokes) {",
" // Only change code below this line",
@@ -2831,6 +2844,19 @@
"solutions": [
"function golfScore(par, strokes) {\n if (strokes === 1) {\n return \"Hole-in-one!\";\n }\n \n if (strokes <= par - 2) {\n return \"Eagle\";\n }\n \n if (strokes === par - 1) {\n return \"Birdie\";\n }\n \n if (strokes === par) {\n return \"Par\";\n }\n \n if (strokes === par + 1) {\n return \"Bogey\";\n }\n \n if(strokes === par + 2) {\n return \"Double Bogey\";\n }\n \n return \"Go Home!\";\n}"
],
+ "tests": [
+ "assert(golfScore(4, 1) === \"Hole-in-one!\", 'message: golfScore(4, 1) should return \"Hole-in-one!\"');",
+ "assert(golfScore(4, 2) === \"Eagle\", 'message: golfScore(4, 2) should return \"Eagle\"');",
+ "assert(golfScore(5, 2) === \"Eagle\", 'message: golfScore(5, 2) should return \"Eagle\"');",
+ "assert(golfScore(4, 3) === \"Birdie\", 'message: golfScore(4, 3) should return \"Birdie\"');",
+ "assert(golfScore(4, 4) === \"Par\", 'message: golfScore(4, 4) should return \"Par\"');",
+ "assert(golfScore(1, 1) === \"Hole-in-one!\", 'message: golfScore(1, 1) should return \"Hole-in-one!\"');",
+ "assert(golfScore(5, 5) === \"Par\", 'message: golfScore(5, 5) should return \"Par\"');",
+ "assert(golfScore(4, 5) === \"Bogey\", 'message: golfScore(4, 5) should return \"Bogey\"');",
+ "assert(golfScore(4, 6) === \"Double Bogey\", 'message: golfScore(4, 6) should return \"Double Bogey\"');",
+ "assert(golfScore(4, 7) === \"Go Home!\", 'message: golfScore(4, 7) should return \"Go Home!\"');",
+ "assert(golfScore(5, 9) === \"Go Home!\", 'message: golfScore(5, 9) should return \"Go Home!\"');"
+ ],
"type": "bonfire",
"challengeType": "5",
"nameCn": "",
@@ -2851,14 +2877,6 @@
"Write a switch statement which tests val and sets answer for the following conditions:
1 - \"alpha\"
2 - \"beta\"
3 - \"gamma\"
4 - \"delta\""
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(1) === \"alpha\", 'message: myTest(1) should have a value of \"alpha\"');",
- "assert(myTest(2) === \"beta\", 'message: myTest(2) should have a value of \"beta\"');",
- "assert(myTest(3) === \"gamma\", 'message: myTest(3) should have a value of \"gamma\"');",
- "assert(myTest(4) === \"delta\", 'message: myTest(4) should have a value of \"delta\"');",
- "assert(!/else/g.test(code) || !/if/g.test(code), 'message: You should not use any if or else statements');",
- "assert(code.match(/break/g).length > 2, 'message: You should have at least 3 break statements');"
- ],
"challengeSeed": [
"function myTest(val) {",
" var answer = \"\";",
@@ -2877,6 +2895,14 @@
"solutions": [
"function myTest(val) {\n var answer = \"\";\n\n switch (val) {\n case 1:\n answer = \"alpha\";\n break;\n case 2:\n answer = \"beta\";\n break;\n case 3:\n answer = \"gamma\";\n break;\n case 4:\n answer = \"delta\";\n }\n return answer; \n}"
],
+ "tests": [
+ "assert(myTest(1) === \"alpha\", 'message: myTest(1) should have a value of \"alpha\"');",
+ "assert(myTest(2) === \"beta\", 'message: myTest(2) should have a value of \"beta\"');",
+ "assert(myTest(3) === \"gamma\", 'message: myTest(3) should have a value of \"gamma\"');",
+ "assert(myTest(4) === \"delta\", 'message: myTest(4) should have a value of \"delta\"');",
+ "assert(!/else/g.test(code) || !/if/g.test(code), 'message: You should not use any if or else statements');",
+ "assert(code.match(/break/g).length > 2, 'message: You should have at least 3 break statements');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2896,15 +2922,6 @@
"Write a switch statement to set answer for the following conditions:
\"a\" - \"apple\"
\"b\" - \"bird\"
\"c\" - \"cat\"
default - \"stuff\""
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(\"a\") === \"apple\", 'message: myTest(\"a\") should have a value of \"apple\"');",
- "assert(myTest(\"b\") === \"bird\", 'message: myTest(\"b\") should have a value of \"bird\"');",
- "assert(myTest(\"c\") === \"cat\", 'message: myTest(\"c\") should have a value of \"cat\"');",
- "assert(myTest(\"d\") === \"stuff\", 'message: myTest(\"d\") should have a value of \"stuff\"');",
- "assert(myTest(4) === \"stuff\", 'message: myTest(4) should have a value of \"stuff\"');",
- "assert(!/else/g.test(code) || !/if/g.test(code), 'message: You should not use any if or else statements');",
- "assert(code.match(/break/g).length > 2, 'message: You should have at least 3 break statements');"
- ],
"challengeSeed": [
"function myTest(val) {",
" var answer = \"\";",
@@ -2923,6 +2940,15 @@
"solutions": [
"function myTest(val) {\n var answer = \"\";\n\n switch(val) {\n case \"a\":\n answer = \"apple\";\n break;\n case \"b\":\n answer = \"bird\";\n break;\n case \"c\":\n answer = \"cat\";\n break;\n default:\n answer = \"stuff\";\n }\n return answer; \n}"
],
+ "tests": [
+ "assert(myTest(\"a\") === \"apple\", 'message: myTest(\"a\") should have a value of \"apple\"');",
+ "assert(myTest(\"b\") === \"bird\", 'message: myTest(\"b\") should have a value of \"bird\"');",
+ "assert(myTest(\"c\") === \"cat\", 'message: myTest(\"c\") should have a value of \"cat\"');",
+ "assert(myTest(\"d\") === \"stuff\", 'message: myTest(\"d\") should have a value of \"stuff\"');",
+ "assert(myTest(4) === \"stuff\", 'message: myTest(4) should have a value of \"stuff\"');",
+ "assert(!/else/g.test(code) || !/if/g.test(code), 'message: You should not use any if or else statements');",
+ "assert(code.match(/break/g).length > 2, 'message: You should have at least 3 break statements');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2944,19 +2970,6 @@
"You will need to have a case statement for each number in the range."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(myTest(1) === \"Low\", 'message: myTest(1) should return \"Low\"');",
- "assert(myTest(2) === \"Low\", 'message: myTest(2) should return \"Low\"');",
- "assert(myTest(3) === \"Low\", 'message: myTest(3) should return \"Low\"');",
- "assert(myTest(4) === \"Mid\", 'message: myTest(4) should return \"Mid\"');",
- "assert(myTest(5) === \"Mid\", 'message: myTest(5) should return \"Mid\"');",
- "assert(myTest(6) === \"Mid\", 'message: myTest(6) should return \"Mid\"');",
- "assert(myTest(7) === \"High\", 'message: myTest(7) should return \"High\"');",
- "assert(myTest(8) === \"High\", 'message: myTest(8) should return \"High\"');",
- "assert(myTest(9) === \"High\", 'message: myTest(9) should return \"High\"');",
- "assert(!/else/g.test(code) || !/if/g.test(code), 'message: You should not use any if or else statements');",
- "assert(code.match(/case/g).length === 9, 'message: You should have nine case statements');"
- ],
"challengeSeed": [
"function myTest(val) {",
" var answer = \"\";",
@@ -2975,6 +2988,19 @@
"solutions": [
"function myTest(val) {\n var answer = \"\";\n \n switch (val) {\n case 1:\n case 2:\n case 3:\n answer = \"Low\";\n break;\n case 4:\n case 5:\n case 6:\n answer = \"Mid\";\n break;\n case 7:\n case 8:\n case 9:\n answer = \"High\";\n }\n \n return answer; \n}"
],
+ "tests": [
+ "assert(myTest(1) === \"Low\", 'message: myTest(1) should return \"Low\"');",
+ "assert(myTest(2) === \"Low\", 'message: myTest(2) should return \"Low\"');",
+ "assert(myTest(3) === \"Low\", 'message: myTest(3) should return \"Low\"');",
+ "assert(myTest(4) === \"Mid\", 'message: myTest(4) should return \"Mid\"');",
+ "assert(myTest(5) === \"Mid\", 'message: myTest(5) should return \"Mid\"');",
+ "assert(myTest(6) === \"Mid\", 'message: myTest(6) should return \"Mid\"');",
+ "assert(myTest(7) === \"High\", 'message: myTest(7) should return \"High\"');",
+ "assert(myTest(8) === \"High\", 'message: myTest(8) should return \"High\"');",
+ "assert(myTest(9) === \"High\", 'message: myTest(9) should return \"High\"');",
+ "assert(!/else/g.test(code) || !/if/g.test(code), 'message: You should not use any if or else statements');",
+ "assert(code.match(/case/g).length === 9, 'message: You should have nine case statements');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -2995,18 +3021,6 @@
"Change the chained if/if else statements into a switch statement."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(!/else/g.test(code), 'message: You should not use any else statements');",
- "assert(!/if/g.test(code), 'message: You should not use any if statements');",
- "assert(code.match(/break/g).length === 4, 'message: You should have four break statements');",
- "assert(myTest(\"bob\") === \"Marley\", 'message: myTest(\"bob\") should be \"Marley\"');",
- "assert(myTest(42) === \"The Answer\", 'message: myTest(42) should be \"The Answer\"');",
- "assert(myTest(1) === \"There is no #1\", 'message: myTest(1) should be \"There is no #1\"');",
- "assert(myTest(99) === \"Missed me by this much!\", 'message: myTest(99) should be \"Missed me by this much!\"');",
- "assert(myTest(7) === \"Ate Nine\", 'message: myTest(7) should be \"Ate Nine\"');",
- "assert(myTest(\"John\") === \"\", 'message: myTest(\"John\") should be \"\" (empty string)');",
- "assert(myTest(156) === \"\", 'message: myTest(156) should be \"\" (empty string)');"
- ],
"challengeSeed": [
"function myTest(val) {",
" var answer = \"\";",
@@ -3035,6 +3049,18 @@
"solutions": [
"function myTest(val) {\n var answer = \"\";\n\n switch (val) {\n case \"bob\":\n answer = \"Marley\";\n break;\n case 42:\n answer = \"The Answer\";\n break;\n case 1:\n answer = \"There is no #1\";\n break;\n case 99:\n answer = \"Missed me by this much!\";\n break;\n case 7:\n answer = \"Ate Nine\";\n }\n return answer; \n}"
],
+ "tests": [
+ "assert(!/else/g.test(code), 'message: You should not use any else statements');",
+ "assert(!/if/g.test(code), 'message: You should not use any if statements');",
+ "assert(code.match(/break/g).length === 4, 'message: You should have four break statements');",
+ "assert(myTest(\"bob\") === \"Marley\", 'message: myTest(\"bob\") should be \"Marley\"');",
+ "assert(myTest(42) === \"The Answer\", 'message: myTest(42) should be \"The Answer\"');",
+ "assert(myTest(1) === \"There is no #1\", 'message: myTest(1) should be \"There is no #1\"');",
+ "assert(myTest(99) === \"Missed me by this much!\", 'message: myTest(99) should be \"Missed me by this much!\"');",
+ "assert(myTest(7) === \"Ate Nine\", 'message: myTest(7) should be \"Ate Nine\"');",
+ "assert(myTest(\"John\") === \"\", 'message: myTest(\"John\") should be \"\" (empty string)');",
+ "assert(myTest(156) === \"\", 'message: myTest(156) should be \"\" (empty string)');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3056,11 +3082,6 @@
"Fix the function isLess to remove the if/else statements."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(isLess(10,15) === true, 'message: isLess(10,15) should return true');",
- "assert(isLess(15, 10) === false, 'message: isLess(15,10) should return true');",
- "assert(!/if|else/g.test(code), 'message: You should not use any if or else statements');"
- ],
"challengeSeed": [
"function isLess(a, b) {",
" // Fix this code",
@@ -3080,6 +3101,11 @@
"solutions": [
"function isLess(a, b) {\n return a < b;\n}"
],
+ "tests": [
+ "assert(isLess(10,15) === true, 'message: isLess(10,15) should return true');",
+ "assert(isLess(15, 10) === false, 'message: isLess(15,10) should return true');",
+ "assert(!/if|else/g.test(code), 'message: You should not use any if or else statements');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3100,14 +3126,6 @@
"Modify the function abTest so that if a or b are less than 0 the function will immediately exit with a value of undefined."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof abTest(2,2) === 'number' , 'message: abTest(2,2) should return a number');",
- "assert(abTest(2,2) === 8 , 'message: abTest(2,2) should return 8');",
- "assert(abTest(-2,2) === undefined , 'message: abTest(-2,2) should return undefined');",
- "assert(abTest(2,-2) === undefined , 'message: abTest(2,-2) should return undefined');",
- "assert(abTest(2,8) === 18 , 'message: abTest(2,8) should return 18');",
- "assert(abTest(3,3) === 12 , 'message: abTest(3,3) should return 12');"
- ],
"challengeSeed": [
"// Setup",
"function abTest(a, b) {",
@@ -3129,6 +3147,14 @@
"solutions": [
"function abTest(a, b) {\n if(a < 0 || b < 0) {\n return undefined;\n } \n return Math.round(Math.pow(Math.sqrt(a) + Math.sqrt(b), 2));\n}"
],
+ "tests": [
+ "assert(typeof abTest(2,2) === 'number' , 'message: abTest(2,2) should return a number');",
+ "assert(abTest(2,2) === 8 , 'message: abTest(2,2) should return 8');",
+ "assert(abTest(-2,2) === undefined , 'message: abTest(-2,2) should return undefined');",
+ "assert(abTest(2,-2) === undefined , 'message: abTest(2,-2) should return undefined');",
+ "assert(abTest(2,8) === 18 , 'message: abTest(2,8) should return 18');",
+ "assert(abTest(3,3) === 12 , 'message: abTest(3,3) should return 12');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3149,12 +3175,6 @@
"-3 Hold
5 Bet"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert((function(){ count = 0; cc(2);cc(3);cc(4);cc(5);var out = cc(6); if(out === \"5 Bet\") {return true;} return false; })(), 'message: Cards Sequence 2, 3, 4, 5, 6 should return \"5 Bet\"');",
- "assert((function(){ count = 0; cc(7);cc(8);var out = cc(9); if(out === \"0 Hold\") {return true;} return false; })(), 'message: Cards Sequence 7, 8, 9 should return \"0 Hold\"');",
- "assert((function(){ count = 0; cc(10);cc('J');cc('Q');cc('K');var out = cc('A'); if(out === \"-5 Hold\") {return true;} return false; })(), 'message: Cards Sequence 10, J, Q, K, A should return \"-5 Hold\"');",
- "assert((function(){ count = 0; cc(3);cc(2);cc('A');cc(10);var out = cc('K'); if(out === \"-1 Hold\") {return true;} return false; })(), 'message: Cards Sequence 3, 2, A, 10, K should return \"-1 Hold\"');"
- ],
"challengeSeed": [
"var count = 0;",
"",
@@ -3173,6 +3193,12 @@
"solutions": [
"var count = 0;\nfunction cc(card) {\n switch(card) {\n case 2:\n case 3:\n case 4:\n case 5:\n case 6:\n count++;\n break;\n case 10:\n case 'J':\n case 'Q':\n case 'K':\n case 'A':\n count--;\n }\n if(count > 0) {\n return count + \" Bet\";\n } else {\n return count + \" Hold\";\n }\n}"
],
+ "tests": [
+ "assert((function(){ count = 0; cc(2);cc(3);cc(4);cc(5);var out = cc(6); if(out === \"5 Bet\") {return true;} return false; })(), 'message: Cards Sequence 2, 3, 4, 5, 6 should return \"5 Bet\"');",
+ "assert((function(){ count = 0; cc(7);cc(8);var out = cc(9); if(out === \"0 Hold\") {return true;} return false; })(), 'message: Cards Sequence 7, 8, 9 should return \"0 Hold\"');",
+ "assert((function(){ count = 0; cc(10);cc('J');cc('Q');cc('K');var out = cc('A'); if(out === \"-5 Hold\") {return true;} return false; })(), 'message: Cards Sequence 10, J, Q, K, A should return \"-5 Hold\"');",
+ "assert((function(){ count = 0; cc(3);cc(2);cc('A');cc(10);var out = cc('K'); if(out === \"-1 Hold\") {return true;} return false; })(), 'message: Cards Sequence 3, 2, A, 10, K should return \"-1 Hold\"');"
+ ],
"type": "bonfire",
"challengeType": "5",
"nameCn": "",
@@ -3194,13 +3220,6 @@
"Make an object that represents a dog called myDog which contains the properties \"name\" (a string), \"legs\", \"tails\" and \"friends\".",
"You can set these object properties to whatever values you want, as long \"name\" is a string, \"legs\" and \"tails\" are numbers, and \"friends\" is an array."
],
- "tests": [
- "assert((function(z){if(z.hasOwnProperty(\"name\") && z.name !== undefined && typeof(z.name) === \"string\"){return true;}else{return false;}})(myDog), 'message: myDog should contain the property name and it should be a string.');",
- "assert((function(z){if(z.hasOwnProperty(\"legs\") && z.legs !== undefined && typeof(z.legs) === \"number\"){return true;}else{return false;}})(myDog), 'message: myDog should contain the property legs and it should be a number.');",
- "assert((function(z){if(z.hasOwnProperty(\"tails\") && z.tails !== undefined && typeof(z.tails) === \"number\"){return true;}else{return false;}})(myDog), 'message: myDog should contain the property tails and it should be a number.');",
- "assert((function(z){if(z.hasOwnProperty(\"friends\") && z.friends !== undefined && Array.isArray(z.friends)){return true;}else{return false;}})(myDog), 'message: myDog should contain the property friends and it should be an array.');",
- "assert((function(z){return Object.keys(z).length === 4;})(myDog), 'message: myDog should only contain all the given properties.');"
- ],
"challengeSeed": [
"// Example",
"var ourDog = {",
@@ -3225,6 +3244,13 @@
"solutions": [
"var myDog = {\n \"name\": \"Camper\",\n \"legs\": 4,\n \"tails\": 1,\n \"friends\": [\"everything!\"] \n};"
],
+ "tests": [
+ "assert((function(z){if(z.hasOwnProperty(\"name\") && z.name !== undefined && typeof(z.name) === \"string\"){return true;}else{return false;}})(myDog), 'message: myDog should contain the property name and it should be a string.');",
+ "assert((function(z){if(z.hasOwnProperty(\"legs\") && z.legs !== undefined && typeof(z.legs) === \"number\"){return true;}else{return false;}})(myDog), 'message: myDog should contain the property legs and it should be a number.');",
+ "assert((function(z){if(z.hasOwnProperty(\"tails\") && z.tails !== undefined && typeof(z.tails) === \"number\"){return true;}else{return false;}})(myDog), 'message: myDog should contain the property tails and it should be a number.');",
+ "assert((function(z){if(z.hasOwnProperty(\"friends\") && z.friends !== undefined && Array.isArray(z.friends)){return true;}else{return false;}})(myDog), 'message: myDog should contain the property friends and it should be an array.');",
+ "assert((function(z){return Object.keys(z).length === 4;})(myDog), 'message: myDog should only contain all the given properties.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -3240,13 +3266,6 @@
"Read the values of the properties hat and shirt of testObj using dot notation."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof hatValue === 'string' , 'message: hatValue should be a string');",
- "assert(hatValue === 'ballcap' , 'message: The value of hatValue should be \"ballcap\"');",
- "assert(typeof shirtValue === 'string' , 'message: shirtValue should be a string');",
- "assert(shirtValue === 'jersey' , 'message: The value of shirtValue should be \"jersey\"');",
- "assert(code.match(/testObj\\.\\w+/g).length > 1, 'message: You should use dot notation twice');"
- ],
"challengeSeed": [
"// Setup",
"var testObj = {",
@@ -3266,6 +3285,13 @@
"solutions": [
"var testObj = {\n \"hat\": \"ballcap\",\n \"shirt\": \"jersey\",\n \"shoes\": \"cleats\"\n};\n\nvar hatValue = testObj.hat; \nvar shirtValue = testObj.shirt;"
],
+ "tests": [
+ "assert(typeof hatValue === 'string' , 'message: hatValue should be a string');",
+ "assert(hatValue === 'ballcap' , 'message: The value of hatValue should be \"ballcap\"');",
+ "assert(typeof shirtValue === 'string' , 'message: shirtValue should be a string');",
+ "assert(shirtValue === 'jersey' , 'message: The value of shirtValue should be \"jersey\"');",
+ "assert(code.match(/testObj\\.\\w+/g).length > 1, 'message: You should use dot notation twice');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3286,13 +3312,6 @@
"Read the values of the properties \"an entree\" and \"the drink\" of testObj using bracket notation."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof entreeValue === 'string' , 'message: entreeValue should be a string');",
- "assert(entreeValue === 'hamburger' , 'message: The value of entreeValue should be \"hamburger\"');",
- "assert(typeof drinkValue === 'string' , 'message: drinkValue should be a string');",
- "assert(drinkValue === 'water' , 'message: The value of drinkValue should be \"water\"');",
- "assert(code.match(/testObj\\[('|\")[^'\"]+\\1\\]/g).length > 1, 'message: You should use bracket notation twice');"
- ],
"challengeSeed": [
"// Setup",
"var testObj = {",
@@ -3312,6 +3331,13 @@
"solutions": [
"var testObj = {\n \"an entree\": \"hamburger\",\n \"my side\": \"veggies\",\n \"the drink\": \"water\"\n};\nvar entreeValue = testObj[\"an entree\"];\nvar drinkValue = testObj['the drink'];"
],
+ "tests": [
+ "assert(typeof entreeValue === 'string' , 'message: entreeValue should be a string');",
+ "assert(entreeValue === 'hamburger' , 'message: The value of entreeValue should be \"hamburger\"');",
+ "assert(typeof drinkValue === 'string' , 'message: drinkValue should be a string');",
+ "assert(drinkValue === 'water' , 'message: The value of drinkValue should be \"water\"');",
+ "assert(code.match(/testObj\\[('|\")[^'\"]+\\1\\]/g).length > 1, 'message: You should use bracket notation twice');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3332,12 +3358,6 @@
"Use the playerNumber variable to lookup player 16 in testObj using bracket notation."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(typeof playerNumber === 'number', 'message: playerNumber should be a number');",
- "assert(typeof player === 'string', 'message: The variable player should be a string');",
- "assert(player === 'Montana', 'message: The value of player should be \"Montana\"');",
- "assert(/testObj\\[\\s*playerNumber\\s*\\]/.test(code),'message: You should use bracket notation to access testObj');"
- ],
"challengeSeed": [
"// Setup",
"var testObj = {",
@@ -3357,6 +3377,12 @@
"solutions": [
"var testObj = {\n 12: \"Namath\",\n 16: \"Montana\",\n 19: \"Unitas\"\n};\nvar playerNumber = 16;\nvar player = testObj[playerNumber];"
],
+ "tests": [
+ "assert(typeof playerNumber === 'number', 'message: playerNumber should be a number');",
+ "assert(typeof player === 'string', 'message: The variable player should be a string');",
+ "assert(player === 'Montana', 'message: The value of player should be \"Montana\"');",
+ "assert(/testObj\\[\\s*playerNumber\\s*\\]/.test(code),'message: You should use bracket notation to access testObj');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3379,10 +3405,6 @@
"Instructions
",
"Update the myDog object's name property. Let's change her name from \"Coder\" to \"Happy Coder\". You can use either dot or bracket notation."
],
- "tests": [
- "assert(/happy coder/gi.test(myDog.name), 'message: Update myDog's \"name\" property to equal \"Happy Coder\".');",
- "assert(/\"name\": \"Coder\"/.test(code), 'message: Do not edit the myDog definition');"
- ],
"challengeSeed": [
"// Example",
"var ourDog = {",
@@ -3409,6 +3431,13 @@
"tail": [
"(function(z){return z;})(myDog);"
],
+ "solutions": [
+ "var myDog = {\n \"name\": \"Coder\",\n \"legs\": 4,\n \"tails\": 1,\n \"friends\": [\"Free Code Camp Campers\"]\n};\nmyDog.name = \"Happy Coder\";"
+ ],
+ "tests": [
+ "assert(/happy coder/gi.test(myDog.name), 'message: Update myDog's \"name\" property to equal \"Happy Coder\".');",
+ "assert(/\"name\": \"Coder\"/.test(code), 'message: Do not edit the myDog definition');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -3425,10 +3454,6 @@
"Instructions
",
"Add a \"bark\" property to myDog and set it to a dog sound, such as \"woof\". You may use either dot or bracket notation."
],
- "tests": [
- "assert(myDog.bark !== undefined, 'message: Add the property \"bark\" to myDog.');",
- "assert(!/bark[^\\n]:/.test(code), 'message: Do not add \"bark\" to the setup section');"
- ],
"challengeSeed": [
"// Example",
"var ourDog = {",
@@ -3457,6 +3482,10 @@
"solutions": [
"var myDog = {\n \"name\": \"Happy Coder\",\n \"legs\": 4,\n \"tails\": 1,\n \"friends\": [\"Free Code Camp Campers\"]\n};\nmyDog.bark = \"Woof Woof\";"
],
+ "tests": [
+ "assert(myDog.bark !== undefined, 'message: Add the property \"bark\" to myDog.');",
+ "assert(!/bark[^\\n]:/.test(code), 'message: Do not add \"bark\" to the setup section');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -3469,10 +3498,6 @@
"Instructions
",
"Delete the \"tails\" property from myDog. You may use either dot or bracket notation."
],
- "tests": [
- "assert(myDog.tails === undefined, 'message: Delete the property \"tails\" from myDog.');",
- "assert(code.match(/\"tails\": 1/g).length > 1, 'message: Do not modify the myDog setup');"
- ],
"challengeSeed": [
"// Example",
"var ourDog = {",
@@ -3504,6 +3529,10 @@
"solutions": [
"var ourDog = {\n \"name\": \"Camper\",\n \"legs\": 4,\n \"tails\": 1,\n \"friends\": [\"everything!\"],\n \"bark\": \"bow-wow\"\n};\n\nvar myDog = {\n \"name\": \"Happy Coder\",\n \"legs\": 4,\n \"tails\": 1,\n \"friends\": [\"Free Code Camp Campers\"],\n \"bark\": \"woof\"\n};\n\ndelete myDog.tails;"
],
+ "tests": [
+ "assert(myDog.tails === undefined, 'message: Delete the property \"tails\" from myDog.');",
+ "assert(code.match(/\"tails\": 1/g).length > 1, 'message: Do not modify the myDog setup');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -3518,16 +3547,6 @@
"Convert the switch statement into a lookup table called lookup. Use it to lookup val and return the associated string."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(phoneticLookup(\"alpha\") === 'Adams', 'message: phoneticLookup(\"alpha\") should equal \"Adams\"');",
- "assert(phoneticLookup(\"bravo\") === 'Boston', 'message: phoneticLookup(\"bravo\") should equal \"Boston\"');",
- "assert(phoneticLookup(\"charlie\") === 'Chicago', 'message: phoneticLookup(\"charlie\") should equal \"Chicago\"');",
- "assert(phoneticLookup(\"delta\") === 'Denver', 'message: phoneticLookup(\"delta\") should equal \"Denver\"');",
- "assert(phoneticLookup(\"echo\") === 'Easy', 'message: phoneticLookup(\"echo\") should equal \"Easy\"');",
- "assert(phoneticLookup(\"foxtrot\") === 'Frank', 'message: phoneticLookup(\"foxtrot\") should equal \"Frank\"');",
- "assert(typeof phoneticLookup(\"\") === 'undefined', 'message: phoneticLookup(\"\") should equal undefined');",
- "assert(!/case|switch|if/g.test(code), 'message: You should not use case, switch, or if statements'); "
- ],
"challengeSeed": [
"// Setup",
"function phoneticLookup(val) {",
@@ -3562,6 +3581,16 @@
"solutions": [
"function phoneticLookup(val) {\n var result = \"\";\n\n var lookup = {\n alpha: \"Adams\",\n bravo: \"Boston\",\n charlie: \"Chicago\",\n delta: \"Denver\",\n echo: \"Easy\",\n foxtrot: \"Frank\"\n };\n\n result = lookup[val];\n\n return result;\n}"
],
+ "tests": [
+ "assert(phoneticLookup(\"alpha\") === 'Adams', 'message: phoneticLookup(\"alpha\") should equal \"Adams\"');",
+ "assert(phoneticLookup(\"bravo\") === 'Boston', 'message: phoneticLookup(\"bravo\") should equal \"Boston\"');",
+ "assert(phoneticLookup(\"charlie\") === 'Chicago', 'message: phoneticLookup(\"charlie\") should equal \"Chicago\"');",
+ "assert(phoneticLookup(\"delta\") === 'Denver', 'message: phoneticLookup(\"delta\") should equal \"Denver\"');",
+ "assert(phoneticLookup(\"echo\") === 'Easy', 'message: phoneticLookup(\"echo\") should equal \"Easy\"');",
+ "assert(phoneticLookup(\"foxtrot\") === 'Frank', 'message: phoneticLookup(\"foxtrot\") should equal \"Frank\"');",
+ "assert(typeof phoneticLookup(\"\") === 'undefined', 'message: phoneticLookup(\"\") should equal undefined');",
+ "assert(!/case|switch|if/g.test(code), 'message: You should not use case, switch, or if statements'); "
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3581,11 +3610,6 @@
"Modify the function checkObj to test myObj for checkProp. If the property is found, return that property's value. If not, return \"Not Found\"."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(checkObj(\"gift\") === \"pony\", 'message: checkObj(\"gift\") should return \"pony\".');",
- "assert(checkObj(\"pet\") === \"kitten\", 'message: checkObj(\"gift\") should return \"kitten\".');",
- "assert(checkObj(\"house\") === \"Not Found\", 'message: checkObj(\"house\") should return \"Not Found\".');"
- ],
"challengeSeed": [
"// Setup",
"var myObj = {",
@@ -3609,6 +3633,11 @@
"solutions": [
"var myObj = {\n gift: \"pony\",\n pet: \"kitten\",\n bed: \"sleigh\"\n};\nfunction checkObj(checkProp) {\n if(myObj.hasOwnProperty(checkProp)) {\n return myObj[checkProp];\n } else {\n return \"Not Found\";\n }\n}"
],
+ "tests": [
+ "assert(checkObj(\"gift\") === \"pony\", 'message: checkObj(\"gift\") should return \"pony\".');",
+ "assert(checkObj(\"pet\") === \"kitten\", 'message: checkObj(\"gift\") should return \"kitten\".');",
+ "assert(checkObj(\"house\") === \"Not Found\", 'message: checkObj(\"house\") should return \"Not Found\".');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -3624,17 +3653,6 @@
"Add a new album to the myMusic JSON object. Add artist and title strings, release_year year, and a formats array of strings."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(Array.isArray(myMusic), 'message: myMusic should be an array');",
- "assert(myMusic.length > 1, 'message: myMusic should have at least two elements');",
- "assert(typeof myMusic[1] === 'object', 'message: myMusic[1] should be an object');",
- "assert(Object.keys(myMusic[1]).length > 3, 'message: myMusic[1] should have at least 4 properties');",
- "assert(myMusic[1].hasOwnProperty('artist') && typeof myMusic[1].artist === 'string', 'message: myMusic[1] should contain an artist property which is a string');",
- "assert(myMusic[1].hasOwnProperty('title') && typeof myMusic[1].title === 'string', 'message: myMusic[1] should contain a title property which is a string');",
- "assert(myMusic[1].hasOwnProperty('release_year') && typeof myMusic[1].release_year === 'number', 'message: myMusic[1] should contain a release_year property which is a number');",
- "assert(myMusic[1].hasOwnProperty('formats') && Array.isArray(myMusic[1].formats), 'message: myMusic[1] should contain a formats property which is an array');",
- "assert(myMusic[1].formats.every(function(item) { return (typeof item === \"string\")}) && myMusic[1].formats.length > 1, 'message: formats should be an array of strings with at least two elements');"
- ],
"challengeSeed": [
"var myMusic = [",
" {",
@@ -3657,6 +3675,17 @@
"solutions": [
"var myMusic = [\n {\n \"artist\": \"Billy Joel\",\n \"title\": \"Piano Man\",\n \"release_year\": 1993,\n \"formats\": [ \n \"CS\", \n \"8T\", \n \"LP\" ],\n \"gold\": true\n }, \n {\n \"artist\": \"ABBA\",\n \"title\": \"Ring Ring\",\n \"release_year\": 1973,\n \"formats\": [ \n \"CS\", \n \"8T\", \n \"LP\",\n \"CD\",\n ]\n }\n];"
],
+ "tests": [
+ "assert(Array.isArray(myMusic), 'message: myMusic should be an array');",
+ "assert(myMusic.length > 1, 'message: myMusic should have at least two elements');",
+ "assert(typeof myMusic[1] === 'object', 'message: myMusic[1] should be an object');",
+ "assert(Object.keys(myMusic[1]).length > 3, 'message: myMusic[1] should have at least 4 properties');",
+ "assert(myMusic[1].hasOwnProperty('artist') && typeof myMusic[1].artist === 'string', 'message: myMusic[1] should contain an artist property which is a string');",
+ "assert(myMusic[1].hasOwnProperty('title') && typeof myMusic[1].title === 'string', 'message: myMusic[1] should contain a title property which is a string');",
+ "assert(myMusic[1].hasOwnProperty('release_year') && typeof myMusic[1].release_year === 'number', 'message: myMusic[1] should contain a release_year property which is a number');",
+ "assert(myMusic[1].hasOwnProperty('formats') && Array.isArray(myMusic[1].formats), 'message: myMusic[1] should contain a formats property which is an array');",
+ "assert(myMusic[1].formats.every(function(item) { return (typeof item === \"string\")}) && myMusic[1].formats.length > 1, 'message: formats should be an array of strings with at least two elements');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3676,10 +3705,6 @@
"Access the myStorage JSON object to retrieve the contents of the glove box. Only use object notation for properties with a space in their name."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(gloveBoxContents === \"maps\", 'message: gloveBoxContents should equal \"maps\"');",
- "assert(/=\\s*myStorage\\.car\\.inside\\[(\"|')glove box\\1\\]/g.test(code), 'message: Use dot and bracket notation to access myStorage');"
- ],
"challengeSeed": [
"// Setup",
"var myStorage = {",
@@ -3710,6 +3735,10 @@
"solutions": [
"var myStorage = { \n \"car\":{ \n \"inside\":{ \n \"glove box\":\"maps\",\n \"passenger seat\":\"crumbs\"\n },\n \"outside\":{ \n \"trunk\":\"jack\"\n }\n }\n};\nvar gloveBoxContents = myStorage.car.inside[\"glove box\"];"
],
+ "tests": [
+ "assert(gloveBoxContents === \"maps\", 'message: gloveBoxContents should equal \"maps\"');",
+ "assert(/=\\s*myStorage\\.car\\.inside\\[(\"|')glove box\\1\\]/g.test(code), 'message: Use dot and bracket notation to access myStorage');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3729,10 +3758,6 @@
"Retrieve the second tree from the variable myPlants using object dot and array bracket notation."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(secondTree === \"pine\", 'message: secondTree should equal \"pine\"');",
- "assert(/=\\s*myPlants\\[1\\].list\\[1\\]/.test(code), 'message: Use dot and bracket notation to access myPlants');"
- ],
"challengeSeed": [
"// Setup",
"var myPlants = [",
@@ -3770,6 +3795,10 @@
"solutions": [
"var myPlants = [\n { \n type: \"flowers\",\n list: [\n \"rose\",\n \"tulip\",\n \"dandelion\"\n ]\n },\n {\n type: \"trees\",\n list: [\n \"fir\",\n \"pine\",\n \"birch\"\n ]\n } \n];\n\n// Only change code below this line\n\nvar secondTree = myPlants[1].list[1];"
],
+ "tests": [
+ "assert(secondTree === \"pine\", 'message: secondTree should equal \"pine\"');",
+ "assert(/=\\s*myPlants\\[1\\].list\\[1\\]/.test(code), 'message: Use dot and bracket notation to access myPlants');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -3791,12 +3820,6 @@
"Always return the entire collection object."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "collection = collectionCopy; assert(update(5439, \"artist\", \"ABBA\")[5439][\"artist\"] === \"ABBA\", 'message: After update(5439, \"artist\", \"ABBA\"), artist should be \"ABBA\"');",
- "update(2548, \"artist\", \"\"); assert(!collection[2548].hasOwnProperty(\"artist\"), 'message: After update(2548, \"artist\", \"\"), artist should not be set');",
- "assert(update(1245, \"tracks\", \"Addicted to Love\")[1245][\"tracks\"].length === 1, 'message: After update(1245, \"tracks\", \"Addicted to Love\"), tracks should have a length of 1');",
- "update(2548, \"tracks\", \"\"); assert(!collection[2548].hasOwnProperty(\"tracks\"), 'message: After update(2548, \"tracks\", \"\"), tracks should not be set');"
- ],
"challengeSeed": [
"// Setup",
"var collection = {",
@@ -3844,6 +3867,12 @@
"solutions": [
"var collection = {\n 2548: {\n album: \"Slippery When Wet\",\n artist: \"Bon Jovi\",\n tracks: [ \n \"Let It Rock\", \n \"You Give Love a Bad Name\" \n ]\n },\n 2468: {\n album: \"1999\",\n artist: \"Prince\",\n tracks: [ \n \"1999\", \n \"Little Red Corvette\" \n ]\n },\n 1245: {\n artist: \"Robert Palmer\",\n tracks: [ ]\n },\n 5439: {\n album: \"ABBA Gold\"\n }\n};\n// Keep a copy of the collection for tests\nvar collectionCopy = JSON.parse(JSON.stringify(collection));\n\n// Only change code below this line\nfunction update(id, prop, value) {\n if(value !== \"\") {\n if(prop === \"tracks\") {\n collection[id][prop].push(value);\n } else {\n collection[id][prop] = value;\n }\n } else {\n delete collection[id][prop];\n }\n\n return collection;\n}"
],
+ "tests": [
+ "collection = collectionCopy; assert(update(5439, \"artist\", \"ABBA\")[5439][\"artist\"] === \"ABBA\", 'message: After update(5439, \"artist\", \"ABBA\"), artist should be \"ABBA\"');",
+ "update(2548, \"artist\", \"\"); assert(!collection[2548].hasOwnProperty(\"artist\"), 'message: After update(2548, \"artist\", \"\"), artist should not be set');",
+ "assert(update(1245, \"tracks\", \"Addicted to Love\")[1245][\"tracks\"].length === 1, 'message: After update(1245, \"tracks\", \"Addicted to Love\"), tracks should have a length of 1');",
+ "update(2548, \"tracks\", \"\"); assert(!collection[2548].hasOwnProperty(\"tracks\"), 'message: After update(2548, \"tracks\", \"\"), tracks should not be set');"
+ ],
"type": "bonfire",
"challengeType": "5",
"nameCn": "",
@@ -3869,10 +3898,6 @@
"Instructions
",
"Use a for loop to work to push the values 1 through 5 onto myArray."
],
- "tests": [
- "assert(code.match(/for\\s*\\(/g).length > 1, 'message: You should be using a for loop for this.');",
- "assert.deepEqual(myArray, [1,2,3,4,5], 'message: myArray should equal [1,2,3,4,5].');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [];",
@@ -3891,6 +3916,13 @@
"tail": [
"if (typeof(myArray) !== \"undefined\"){(function(){return myArray;})();}"
],
+ "solutions": [
+ "var ourArray = [];\nfor (var i = 0; i < 5; i++) {\n ourArray.push(i);\n}\nvar myArray = [];\nfor (var i = 1; i < 6; i++) {\n myArray.push(i);\n}"
+ ],
+ "tests": [
+ "assert(code.match(/for\\s*\\(/g).length > 1, 'message: You should be using a for loop for this.');",
+ "assert.deepEqual(myArray, [1,2,3,4,5], 'message: myArray should equal [1,2,3,4,5].');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -3906,10 +3938,6 @@
"Instructions
",
"Push the odd numbers from 1 through 9 to myArray using a for loop."
],
- "tests": [
- "assert(code.match(/for\\s*\\(/g).length > 1, 'message: You should be using a for loop for this.');",
- "assert.deepEqual(myArray, [1,3,5,7,9], 'message: myArray should equal [1,3,5,7,9].');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [];",
@@ -3928,6 +3956,13 @@
"tail": [
"if(typeof(myArray) !== \"undefined\"){(function(){return myArray;})();}"
],
+ "solutions": [
+ "var ourArray = [];\nfor (var i = 0; i < 10; i += 2) {\n ourArray.push(i);\n}\nvar myArray = [];\nfor (var i = 1; i < 10; i += 2) {\n myArray.push(i);\n}"
+ ],
+ "tests": [
+ "assert(code.match(/for\\s*\\(/g).length > 1, 'message: You should be using a for loop for this.');",
+ "assert.deepEqual(myArray, [1,3,5,7,9], 'message: myArray should equal [1,3,5,7,9].');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -3944,10 +3979,6 @@
"Instructions
",
"Push the odd numbers from 9 through 1 to myArray using a for loop."
],
- "tests": [
- "assert(code.match(/for\\s*\\(/g).length > 1, 'message: You should be using a for loop for this.');",
- "assert.deepEqual(myArray, [9,7,5,3,1], 'message: myArray should equal [9,7,5,3,1].');"
- ],
"challengeSeed": [
"// Example",
"var ourArray = [];",
@@ -3965,6 +3996,13 @@
"tail": [
"if(typeof(myArray) !== \"undefined\"){(function(){return myArray;})();}"
],
+ "solutions": [
+ "var ourArray = [];\nfor (var i = 10; i > 0; i -= 2) {\n ourArray.push(i);\n}\nvar myArray = [];\nfor (var i = 9; i > 0; i -= 2) {\n myArray.push(i);\n}"
+ ],
+ "tests": [
+ "assert(code.match(/for\\s*\\(/g).length > 1, 'message: You should be using a for loop for this.');",
+ "assert.deepEqual(myArray, [9,7,5,3,1], 'message: myArray should equal [9,7,5,3,1].');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -3979,11 +4017,6 @@
"Create a variable total. Use a for loop to add each element of myArr to total."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(total !== 'undefined', 'message: total should be defined');",
- "assert(total === 20, 'message: total should equal 20');",
- "assert(!/20/.test(code), 'message: Do not set total to 20 directly');"
- ],
"challengeSeed": [
"// Example",
"var ourArr = [ 9, 10, 11, 12];",
@@ -4006,6 +4039,11 @@
"solutions": [
"var myArr = [ 2, 3, 4, 5, 6];\nvar total = 0;\n\nfor (var i = 0; i < myArr.length; i++) {\n total += myArr[i];\n}"
],
+ "tests": [
+ "assert(total !== 'undefined', 'message: total should be defined');",
+ "assert(total === 20, 'message: total should equal 20');",
+ "assert(!/20/.test(code), 'message: Do not set total to 20 directly');"
+ ],
"type": "waypoint",
"challengeType": "1",
"nameCn": "",
@@ -4025,11 +4063,6 @@
"Modify function multiplyAll so that it multiplies product by each number in the subarrays of arr"
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(multiplyAll([[1],[2],[3]]) === 6, 'message: multiplyAll([[1],[2],[3]]); should return 6');",
- "assert(multiplyAll([[1,2],[3,4],[5,6,7]]) === 5040, 'message: multiplyAll([[1,2],[3,4],[5,6,7]]) should return 5040');",
- "assert(multiplyAll([[5,1],[0.2, 4, 0.5],[3, 9]]) === 54, 'message: multiplyAll([[5,1],[0.2, 4, 0.5],[3, 9]]);) should return 54');"
- ],
"challengeSeed": [
"function multiplyAll(arr) {",
" var product = 1;",
@@ -4047,7 +4080,12 @@
""
],
"solutions": [
- "function multiplyAll(arr) {\n var product = 1;\n for (var i = 0; i < arr.length; i++) {\n for (var j = 0; j < arr[i].length; j++) {\n product *= arr[i][j];\n }\n }\n return product;\n}\n\nmultiplyAll([[1,2],[3,4],[5,6,7]]);\n\n"
+ "function multiplyAll(arr) {\n var product = 1;\n for (var i = 0; i < arr.length; i++) {\n for (var j = 0; j < arr[i].length; j++) {\n product *= arr[i][j];\n }\n }\n return product;\n}\n\nmultiplyAll([[1,2],[3,4],[5,6,7]]);"
+ ],
+ "tests": [
+ "assert(multiplyAll([[1],[2],[3]]) === 6, 'message: multiplyAll([[1],[2],[3]]); should return 6');",
+ "assert(multiplyAll([[1,2],[3,4],[5,6,7]]) === 5040, 'message: multiplyAll([[1,2],[3,4],[5,6,7]]) should return 5040');",
+ "assert(multiplyAll([[5,1],[0.2, 4, 0.5],[3, 9]]) === 54, 'message: multiplyAll([[5,1],[0.2, 4, 0.5],[3, 9]]);) should return 54');"
],
"type": "waypoint",
"challengeType": "1",
@@ -4068,10 +4106,6 @@
"Instructions
",
"Push the numbers 0 through 4 to myArray using a while loop."
],
- "tests": [
- "assert(code.match(/while/g), 'message: You should be using a while loop for this.');",
- "assert.deepEqual(myArray, [0,1,2,3,4], 'message: myArray should equal [0,1,2,3,4].');"
- ],
"challengeSeed": [
"// Setup",
"var myArray = [];",
@@ -4083,6 +4117,13 @@
"tail": [
"if(typeof(myArray) !== \"undefined\"){(function(){return myArray;})();}"
],
+ "solutions": [
+ "var myArray = [];\nvar i = 0;\nwhile(i < 5) {\n myArray.push(i);\n i++;\n}"
+ ],
+ "tests": [
+ "assert(code.match(/while/g), 'message: You should be using a while loop for this.');",
+ "assert.deepEqual(myArray, [0,1,2,3,4], 'message: myArray should equal [0,1,2,3,4].');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -4096,12 +4137,6 @@
"The provided code transforms the input into an array for you, codeArr. Place the decoded values into the decodedArr array where the provided code will transform it back into a string."
],
"releasedOn": "January 1, 2016",
- "tests": [
- "assert(rot13(\"SERR PBQR PNZC\") === \"FREE CODE CAMP\", 'message: rot13(\"SERR PBQR PNZC\") should decode to \"FREE CODE CAMP\"');",
- "assert(rot13(\"SERR CVMMN!\") === \"FREE PIZZA!\", 'message: rot13(\"SERR CVMMN!\") should decode to \"FREE PIZZA!\"');",
- "assert(rot13(\"SERR YBIR?\") === \"FREE LOVE?\", 'message: rot13(\"SERR YBIR?\") should decode to \"FREE LOVE?\"');",
- "assert(rot13(\"GUR DHVPX OEBJA QBT WHZCRQ BIRE GUR YNML SBK.\") === \"THE QUICK BROWN DOG JUMPED OVER THE LAZY FOX.\", 'message: rot13(\"GUR DHVPX OEBJA QBT WHZCRQ BIRE GUR YNML SBK.\") should decode to \"THE QUICK BROWN DOG JUMPED OVER THE LAZY FOX.\"');"
- ],
"challengeSeed": [
"function rot13(encodedStr) {",
" var codeArr = encodedStr.split(\"\"); // String to Array",
@@ -4123,6 +4158,12 @@
"solutions": [
"var lookup = {\n 'A': 'N','B': 'O','C': 'P','D': 'Q',\n 'E': 'R','F': 'S','G': 'T','H': 'U',\n 'I': 'V','J': 'W','K': 'X','L': 'Y',\n 'M': 'Z','N': 'A','O': 'B','P': 'C',\n 'Q': 'D','R': 'E','S': 'F','T': 'G',\n 'U': 'H','V': 'I','W': 'J','X': 'K',\n 'Y': 'L','Z': 'M' \n};\n\nfunction rot13(encodedStr) {\n var codeArr = encodedStr.split(\"\"); // String to Array\n var decodedArr = []; // Your Result goes here\n // Only change code below this line\n \n decodedArr = codeArr.map(function(letter) {\n if(lookup.hasOwnProperty(letter)) {\n letter = lookup[letter];\n }\n return letter;\n });\n\n // Only change code above this line\n return decodedArr.join(\"\"); // Array to String\n}"
],
+ "tests": [
+ "assert(rot13(\"SERR PBQR PNZC\") === \"FREE CODE CAMP\", 'message: rot13(\"SERR PBQR PNZC\") should decode to \"FREE CODE CAMP\"');",
+ "assert(rot13(\"SERR CVMMN!\") === \"FREE PIZZA!\", 'message: rot13(\"SERR CVMMN!\") should decode to \"FREE PIZZA!\"');",
+ "assert(rot13(\"SERR YBIR?\") === \"FREE LOVE?\", 'message: rot13(\"SERR YBIR?\") should decode to \"FREE LOVE?\"');",
+ "assert(rot13(\"GUR DHVPX OEBJA QBT WHZCRQ BIRE GUR YNML SBK.\") === \"THE QUICK BROWN DOG JUMPED OVER THE LAZY FOX.\", 'message: rot13(\"GUR DHVPX OEBJA QBT WHZCRQ BIRE GUR YNML SBK.\") should decode to \"THE QUICK BROWN DOG JUMPED OVER THE LAZY FOX.\"');"
+ ],
"type": "bonfire",
"challengeType": "5",
"nameCn": "",
@@ -4136,14 +4177,11 @@
"title": "Generate Random Fractions with JavaScript",
"description": [
"Random numbers are useful for creating random behavior.",
- "JavaScript has a Math.random() function that generates a random decimal number.",
- "Change myFunction to return a random number instead of returning 0.",
- "Note that you can return a function, just like you would return a variable or value."
- ],
- "tests": [
- "assert(typeof(myFunction()) === \"number\", 'message: myFunction should return a random number.');",
- "assert((myFunction()+''). match(/\\./g), 'message: The number returned by myFunction should be a decimal.');",
- "assert(code.match(/Math\\.random/g).length >= 0, 'message: You should be using Math.random to generate the random decimal number.');"
+ "JavaScript has a Math.random() function that generates a random decimal number between 0 (inclusive) and not quite up to 1 (exclusive). Thus Math.random() can return a 0 but never quite return a 1",
+ "Note",
+ "Like Storing Values with the Equal Operator, all function calls will be resolved before the return executes, so we can simply return the value of the Math.random() function.",
+ "Instructions
",
+ "Change myFunction to return a random number instead of returning 0."
],
"challengeSeed": [
"function myFunction() {",
@@ -4158,6 +4196,14 @@
"tail": [
"(function(){return myFunction();})();"
],
+ "solutions": [
+ "function myFunction() {\n return Math.random();\n}"
+ ],
+ "tests": [
+ "assert(typeof(myFunction()) === \"number\", 'message: myFunction should return a random number.');",
+ "assert((myFunction()+''). match(/\\./g), 'message: The number returned by myFunction should be a decimal.');",
+ "assert(code.match(/Math\\.random/g).length >= 0, 'message: You should be using Math.random to generate the random decimal number.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -4165,22 +4211,12 @@
"id": "cf1111c1c12feddfaeb1bdef",
"title": "Generate Random Whole Numbers with JavaScript",
"description": [
- "It's great that we can generate random decimal numbers, but it's even more useful if we use it to generate random whole numbers.",
- "First, let's use Math.random() to generate a random decimal.",
- "Then let's multiply this random decimal by 20.",
- "Finally, let's use another function, Math.floor() to round the number down to its nearest whole number.",
- "This technique will gives us a whole number between 0 and 19.",
- "Note that because we're rounding down, it's impossible to actually get 20.",
+ "It's great that we can generate random decimal numbers, but it's even more useful if we use it to generate random whole numbers.- Use
Math.random() to generate a random decimal. - Multiply that random decimal by
20. - Use another function,
Math.floor() to round the number down to its nearest whole number.
Remember that Math.random() can never quite return a 1 and, because we're rounding down, it's impossible to actually get 20. This technique will gives us a whole number between 0 and 19.",
"Putting everything together, this is what our code looks like:",
"Math.floor(Math.random() * 20);",
"See how Math.floor takes (Math.random() * 20) as its argument? That's right - you can pass a function to another function as an argument.",
- "Let's use this technique to generate and return a random whole number between 0 and 9."
- ],
- "tests": [
- "assert(typeof(myFunction()) === \"number\" && (function(){var r = myFunction();return Math.floor(r) === r;})(), 'message: The result of myFunction should be a whole number.');",
- "assert(code.match(/Math.random/g).length > 1, 'message: You should be using Math.random to generate a random number.');",
- "assert(code.match(/\\(\\s*?Math.random\\s*?\\(\\s*?\\)\\s*?\\*\\s*?10\\s*?\\)/g) || code.match(/\\(\\s*?10\\s*?\\*\\s*?Math.random\\s*?\\(\\s*?\\)\\s*?\\)/g), 'message: You should have multiplied the result of Math.random by 10 to make it a number that is between zero and nine.');",
- "assert(code.match(/Math.floor/g).length > 1, 'message: You should use Math.floor to remove the decimal part of the number.');"
+ "Instructions
",
+ "Use this technique to generate and return a random whole number between 0 and 9."
],
"challengeSeed": [
"var randomNumberBetween0and19 = Math.floor(Math.random() * 20);",
@@ -4195,6 +4231,15 @@
"tail": [
"(function(){return myFunction();})();"
],
+ "solutions": [
+ "var randomNumberBetween0and19 = Math.floor(Math.random() * 20);\n\nfunction myFunction() {\n return Math.floor(Math.random() * 10);\n}"
+ ],
+ "tests": [
+ "assert(typeof(myFunction()) === \"number\" && (function(){var r = myFunction();return Math.floor(r) === r;})(), 'message: The result of myFunction should be a whole number.');",
+ "assert(code.match(/Math.random/g).length > 1, 'message: You should be using Math.random to generate a random number.');",
+ "assert(code.match(/\\(\\s*?Math.random\\s*?\\(\\s*?\\)\\s*?\\*\\s*?10\\s*?\\)/g) || code.match(/\\(\\s*?10\\s*?\\*\\s*?Math.random\\s*?\\(\\s*?\\)\\s*?\\)/g), 'message: You should have multiplied the result of Math.random by 10 to make it a number that is between zero and nine.');",
+ "assert(code.match(/Math.floor/g).length > 1, 'message: You should use Math.floor to remove the decimal part of the number.');"
+ ],
"type": "waypoint",
"challengeType": "1"
},
@@ -4206,40 +4251,53 @@
"To do this, we'll define a minimum number min and a maximum number max.",
"Here's the formula we'll use. Take a moment to read it and try to understand what this code is doing:",
"Math.floor(Math.random() * (max - min + 1)) + min",
- "Define two variables: myMin and myMax, and set them both equal to numbers.",
- "Then create a function called myFunction that returns a random number that's greater than or equal to myMin, and is less than or equal to myMax."
- ],
- "tests": [
- "assert(myFunction() >= myMin, 'message: The random number generated by myFunction should be greater than or equal to your minimum number, myMin.');",
- "assert(myFunction() <= myMax, 'message: The random number generated by myFunction should be less than or equal to your maximum number, myMax.');",
- "assert(myFunction() % 1 === 0 , 'message: The random number generated by myFunction should be an integer, not a decimal.');",
- "assert((function(){if(code.match(/myMax/g).length > 1 && code.match(/myMin/g).length > 2 && code.match(/Math.floor/g) && code.match(/Math.random/g)){return true;}else{return false;}})(), 'message: myFunction() should use use both myMax and myMin, and return a random number in your range.');"
+ "Instructions
",
+ "Create a function called randomRange that takes a range myMin and myMax and returns a random number that's greater than or equal to myMin, and is less than or equal to myMax, inclusive."
],
"challengeSeed": [
- "var ourMin = 1;",
- "",
- "var ourMax = 9;",
- "",
- "function ourFunction() {",
+ "// Example",
+ "function ourFunction(ourMin, ourMax) {",
"",
" return Math.floor(Math.random() * (ourMax - ourMin + 1)) + ourMin;",
- "",
"}",
"",
+ "ourFunction(1, 9);",
+ "",
"// Only change code below this line.",
"",
- "var myMin;",
+ "function randomRange(myMin, myMax) {",
"",
- "var myMax;",
+ " return 0; // Change this line",
"",
- "function myFunction() {",
+ "}",
"",
- " return;",
- "",
- "}"
+ "// Change these values to test your function",
+ "var myRandom = randomRange(5, 15);"
],
"tail": [
- "(function(){return myFunction();})();"
+ "var calcMin = 100;",
+ "var calcMax = -100;",
+ "for(var i = 0; i < 100; i++) {",
+ " var result = randomRange(5,15);",
+ " calcMin = Math.min(calcMin, result);",
+ " calcMax = Math.max(calcMax, result);",
+ "}",
+ "(function(){",
+ " if(typeof myRandom === 'number') {",
+ " return \"myRandom = \" + myRandom;",
+ " } else {",
+ " return \"myRandom undefined\";",
+ " }",
+ "})();"
+ ],
+ "solutions": [
+ "function randomRange(myMin, myMax) {\n return Math.floor(Math.random() * (myMax - myMin + 1)) + myMin;\n}"
+ ],
+ "tests": [
+ "assert(calcMin === 5, 'message: The random number generated by myFunction should be greater than or equal to your minimum number, myMin.');",
+ "assert(calcMax === 15, 'message: The random number generated by myFunction should be less than or equal to your maximum number, myMax.');",
+ "assert(randomRange(0,1) % 1 === 0 , 'message: The random number generated by myFunction should be an integer, not a decimal.');",
+ "assert((function(){if(code.match(/myMax/g).length > 1 && code.match(/myMin/g).length > 2 && code.match(/Math.floor/g) && code.match(/Math.random/g)){return true;}else{return false;}})(), 'message: myFunction() should use use both myMax and myMin, and return a random number in your range.');"
],
"type": "waypoint",
"challengeType": "1"
@@ -4251,37 +4309,46 @@
"Regular expressions are used to find certain words or patterns inside of strings.",
"For example, if we wanted to find the word the in the string The dog chased the cat, we could use the following regular expression: /the/gi",
"Let's break this down a bit:",
+ "/ is the start of the regular expression.",
"the is the pattern we want to match.",
- "g means that we want to search the entire string for this pattern instead of just the first match.",
+ "/ is the end of the regular expression.",
+ "g means global, which causes the pattern to return all matches in the string, not just the first one.",
"i means that we want to ignore the case (uppercase or lowercase) when searching for the pattern.",
- "Regular expressions are written by surrounding the pattern with / symbols.",
- "Let's try selecting all the occurrences of the word and in the string Ada Lovelace and Charles Babbage designed the first computer and the software that would have run on it.",
- "We can do this by replacing the . part of our regular expression with the word and."
- ],
- "tests": [
- "assert(test==2, 'message: Your regular expression should find two occurrences of the word and.');",
- "assert(code.match(/\\/and\\/gi/), 'message: Use regular expressions to find the word and in testString.');"
+ "Instructions
",
+ "Select all the occurrences of the word and in testString.",
+ "You can do this by replacing the . part of the regular expression with the word and."
],
"head": [
""
],
"challengeSeed": [
"// Setup",
- "var test = (function() {",
- " // Example",
- " var testString = \"Ada Lovelace and Charles Babbage designed the first computer and the software that would have run on it.\";",
- " var expressionToGetSoftware = /software/gi;",
+ "var testString = \"Ada Lovelace and Charles Babbage designed the first computer and the software that would have run on it.\";",
"",
- " // Only change code below this line.",
+ "// Example",
+ "var expressionToGetSoftware = /software/gi;",
+ "var softwareCount = testString.match(expressionToGetSoftware).length;",
+ " ",
"",
- " var expression = /./gi;",
+ "// Only change code below this line.",
"",
- " // Only change code above this line",
- " return testString.match(expression).length;",
- "})();(function(){return test;})();"
+ "var expression = /./gi; // Change this Line",
+ "",
+ "// Only change code above this line",
+ "",
+ "// This code counts the matches of expression in testString",
+ "var andCount = testString.match(expression).length;",
+ ""
],
"tail": [
- ""
+ "(function(){return andCount;})();"
+ ],
+ "solutions": [
+ "var testString = \"Ada Lovelace and Charles Babbage designed the first computer and the software that would have run on it.\";\nvar expression = /and/gi; // Change this Line\nvar andCount = testString.match(expression).length;"
+ ],
+ "tests": [
+ "assert(andCount==2, 'message: Your regular expression should find two occurrences of the word and.');",
+ "assert(code.match(/\\/and\\/gi/), 'message: Use regular expressions to find the word and in testString.');"
],
"type": "waypoint",
"challengeType": "1"
@@ -4293,29 +4360,35 @@
"We can use special selectors in Regular Expressions to select a particular type of value.",
"One such selector is the digit selector \\d which is used to retrieve the numbers in a string.",
"It is used like this: /\\d/g.",
- "For numbers this is often written as /\\d+/g, where the + following the digit selector allows this regular expression to match multi-digit numbers.",
- "Use the \\d selector to select the number of numbers in the string, allowing for the possibility of multi-digit numbers."
- ],
- "tests": [
- "assert(code.match(/\\/\\\\d\\+\\//g), 'message: Use the /\\d+/g regular expression to find the numbers in testString.');",
- "assert(test === 2, 'message: Your regular expression should find two numbers in testString.');"
+ "For numbers this is often written as /\\d+/g, where the + following the digit selector allows this regular expression to match one or more numbers.",
+ "Instructions
",
+ "Use the \\d selector to select the number of numbers in the string, allowing for the possibility of one or more digit."
],
"head": [
- "var test = (function() {"
- ],
- "challengeSeed": [
- "var test = (function() {",
- "",
- " var testString = \"There are 3 cats but 4 dogs.\";",
- "",
- " // Only change code below this line.",
- "",
- " var expression = /.+/g;",
""
],
+ "challengeSeed": [
+ "// Setup",
+ "var testString = \"There are 3 cats but 4 dogs.\";",
+ "",
+ "// Only change code below this line.",
+ "",
+ "var expression = /.+/g; // Change this line",
+ "",
+ "// Only change code above this line",
+ "",
+ "// This code counts the matches of expression in testString",
+ "var digitCount = testString.match(expression).length;"
+ ],
"tail": [
- " return testString.match(expression).length;",
- "})();(function(){return test;})();"
+ "(function(){return digitCount;})();"
+ ],
+ "solutions": [
+ "var testString = \"There are 3 cats but 4 dogs.\";\nvar expression = /\\d+/g; // Change this line\nvar digitCount = testString.match(expression).length;"
+ ],
+ "tests": [
+ "assert(digitCount === 2, 'message: Your regular expression should find two numbers in testString.');",
+ "assert(code.match(/\\/\\\\d\\+\\//g), 'message: Use the /\\d+/g regular expression to find the numbers in testString.');"
],
"type": "waypoint",
"challengeType": "1"
@@ -4328,27 +4401,34 @@
"The whitespace characters are \" \" (space), \\r (the carriage return), \\n (newline), \\t (tab), and \\f (the form feed).",
"The whitespace regular expression looks like this:",
"/\\s+/g",
- "Use it to select all the whitespace characters in the sentence string."
- ],
- "tests": [
- "assert(code.match(/\\/\\\\s\\+\\//g), 'message: Use the /\\s+/g regular expression to find the spaces in testString.');",
- "assert(test === 7, 'message: Your regular expression should find seven spaces in testString.');"
+ "Instructions
",
+ "Use \\s to select all the whitespace characters in the sentence string."
],
"head": [
- "var test = (function() {"
- ],
- "challengeSeed": [
- " var testString = \"How many spaces are there in this sentence?\";",
- "",
- " // Only change code below this line.",
- "",
- " var expression = /.+/g;",
""
],
- "tail": [
- " return testString.match(expression).length;",
+ "challengeSeed": [
+ "// Setup",
+ "var testString = \"How many spaces are there in this sentence?\";",
"",
- "})();(function(){return test;})();"
+ "// Only change code below this line.",
+ "",
+ "var expression = /.+/g; // Change this line",
+ "",
+ "// Only change code above this line",
+ "",
+ "// This code counts the matches of expression in testString",
+ "var spaceCount = testString.match(expression).length;"
+ ],
+ "tail": [
+ "(function(){return spaceCount;})();"
+ ],
+ "solutions": [
+ "var testString = \"How many spaces are there in this sentence?\";\nvar expression = /\\s+/g; // Change this line\nvar spaceCount = testString.match(expression).length;"
+ ],
+ "tests": [
+ "assert(spaceCount === 7, 'message: Your regular expression should find seven spaces in testString.');",
+ "assert(code.match(/\\/\\\\s\\+\\//g), 'message: Use the /\\s+/g regular expression to find the spaces in testString.');"
],
"type": "waypoint",
"challengeType": "1"
@@ -4359,26 +4439,34 @@
"description": [
"You can invert any match by using the uppercase version of the regular expression selector.",
"For example, \\s will match any whitespace, and \\S will match anything that isn't whitespace.",
+ "Instructions
",
"Use /\\S/g to count the number of non-whitespace characters in testString."
],
- "tests": [
- "assert(code.match(/\\/\\\\S\\/g/g), 'message: Use the /\\S/g regular expression to find non-space characters in testString.');",
- "assert(test === 49, 'message: Your regular expression should find forty nine non-space characters in the testString.');"
- ],
"head": [
- "var test = (function() {"
- ],
- "challengeSeed": [
- " var testString = \"How many non-space characters are there in this sentence?\";",
- "",
- " // Only change code below this line.",
- "",
- " var expression = /./g;",
""
],
+ "challengeSeed": [
+ "// Setup",
+ "var testString = \"How many non-space characters are there in this sentence?\";",
+ "",
+ "// Only change code below this line.",
+ "",
+ "var expression = /.+/g; // Change this line",
+ "",
+ "// Only change code above this line",
+ "",
+ "// This code counts the matches of expression in testString",
+ "var nonSpaceCount = testString.match(expression).length;"
+ ],
"tail": [
- " return testString.match(expression).length;",
- "})();(function(){return test;})();"
+ "(function(){return nonSpaceCount;})();"
+ ],
+ "solutions": [
+ "var testString = \"How many non-space characters are there in this sentence?\";\nvar expression = /\\S/g; \nvar nonSpaceCount = testString.match(expression).length;"
+ ],
+ "tests": [
+ "assert(nonSpaceCount === 49, 'message: Your regular expression should find forty nine non-space characters in the testString.');",
+ "assert(code.match(/\\/\\\\S\\/g/g), 'message: Use the /\\S/g regular expression to find non-space characters in testString.');"
],
"type": "waypoint",
"challengeType": "1"
@@ -4386,7 +4474,6 @@
{
"id": "cf1111c1c12feddfaeb9bdef",
"title": "Create a JavaScript Slot Machine",
- "isBeta": "true",
"description": [
"We are now going to try and combine some of the stuff we've just learned and create the logic for a slot machine game.",
"For this we will need to generate three random numbers between 1 and 3 to represent the possible values of each individual slot.",
@@ -4394,12 +4481,6 @@
"Generate the random numbers by using the system we used earlier (an explanation of the formula can be found here):",
"Math.floor(Math.random() * (3 - 1 + 1)) + 1;"
],
- "tests": [
- "assert(typeof(runSlots($(\".slot\"))[0]) === \"number\" && runSlots($(\".slot\"))[0] > 0 && runSlots($(\".slot\"))[0] < 4, 'slotOne should be a random number.')",
- "assert(typeof(runSlots($(\".slot\"))[1]) === \"number\" && runSlots($(\".slot\"))[1] > 0 && runSlots($(\".slot\"))[1] < 4, 'slotTwo should be a random number.')",
- "assert(typeof(runSlots($(\".slot\"))[2]) === \"number\" && runSlots($(\".slot\"))[2] > 0 && runSlots($(\".slot\"))[2] < 4, 'slotThree should be a random number.')",
- "assert((function(){if(editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1/gi) !== null){return editor.match(/slot.*?=.*?\\(.*?\\).*?/gi).length >= 3;}else{return false;}})(), 'You should have used Math.floor(Math.random() * (3 - 1 + 1)) + 1; three times to generate your random numbers.')"
- ],
"challengeSeed": [
"fccss",
" function runSlots() {",
@@ -4535,13 +4616,22 @@
" }",
""
],
+ "solutions": [
+ ""
+ ],
+ "tests": [
+ "assert(typeof(runSlots($(\".slot\"))[0]) === \"number\" && runSlots($(\".slot\"))[0] > 0 && runSlots($(\".slot\"))[0] < 4, 'slotOne should be a random number.')",
+ "assert(typeof(runSlots($(\".slot\"))[1]) === \"number\" && runSlots($(\".slot\"))[1] > 0 && runSlots($(\".slot\"))[1] < 4, 'slotTwo should be a random number.')",
+ "assert(typeof(runSlots($(\".slot\"))[2]) === \"number\" && runSlots($(\".slot\"))[2] > 0 && runSlots($(\".slot\"))[2] < 4, 'slotThree should be a random number.')",
+ "assert((function(){if(editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1/gi) !== null){return editor.match(/slot.*?=.*?\\(.*?\\).*?/gi).length >= 3;}else{return false;}})(), 'You should have used Math.floor(Math.random() * (3 - 1 + 1)) + 1; three times to generate your random numbers.')"
+ ],
"type": "waypoint",
- "challengeType": "0"
+ "challengeType": "0",
+ "isBeta": "true"
},
{
"id": "cf1111c1c13feddfaeb1bdef",
"title": "Add your JavaScript Slot Machine Slots",
- "isBeta": "true",
"description": [
"Now that our slots will each generate random numbers, we need to check whether they've all returned the same number.",
"If they have, we should notify our user that they've won and we should return null.",
@@ -4553,9 +4643,6 @@
"Also, we need to show the user that he has won the game when he gets the same number in all the slots.",
"If all three numbers match, we should also set the text \"It's A Win\" to the element with class logger."
],
- "tests": [
- "assert((function(){var data = runSlots();return data === null || data.toString().length === 1;})(), 'If all three of our random numbers are the same we should return that number. Otherwise we should return null.')"
- ],
"challengeSeed": [
"fccss",
" function runSlots() {",
@@ -4695,13 +4782,19 @@
" }",
""
],
+ "solutions": [
+ ""
+ ],
+ "tests": [
+ "assert((function(){var data = runSlots();return data === null || data.toString().length === 1;})(), 'If all three of our random numbers are the same we should return that number. Otherwise we should return null.')"
+ ],
"type": "waypoint",
- "challengeType": "0"
+ "challengeType": "0",
+ "isBeta": "true"
},
{
"id": "cf1111c1c13feddfaeb2bdef",
"title": "Bring your JavaScript Slot Machine to Life",
- "isBeta": "true",
"description": [
"Now we can detect a win. Let's get this slot machine working.",
"Let's use the jQuery selector $(\".slot\") to select all of the slots.",
@@ -4710,10 +4803,6 @@
"This jQuery will select the first slot and update it's HTML to display the correct number.",
"Use the above selector to display each number in its corresponding slot."
],
- "tests": [
- "assert((function(){runSlots();if($($(\".slot\")[0]).html().replace(/\\s/gi, \"\") !== \"\" && $($(\".slot\")[1]).html().replace(/\\s/gi, \"\") !== \"\" && $($(\".slot\")[2]).html().replace(/\\s/gi, \"\") !== \"\"){return true;}else{return false;}})(), 'You should be displaying the result of the slot numbers in the corresponding slots.')",
- "assert((editor.match( /\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[\\d\\]\\s*?\\)/gi) && editor.match( /\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[\\d\\]\\s*?\\)/gi ).length >= 3 && editor.match( /\\.html\\(slotOne\\)/gi ) && editor.match( /\\.html\\(slotTwo\\)/gi ) && editor.match( /\\.html\\(slotThree\\)/gi )), 'You should have used the the selector given in the description to select each slot and assign it the value of slotOne, slotTwo and slotThree respectively.')"
- ],
"challengeSeed": [
"fccss",
" function runSlots() {",
@@ -4861,13 +4950,20 @@
" }",
""
],
+ "solutions": [
+ ""
+ ],
+ "tests": [
+ "assert((function(){runSlots();if($($(\".slot\")[0]).html().replace(/\\s/gi, \"\") !== \"\" && $($(\".slot\")[1]).html().replace(/\\s/gi, \"\") !== \"\" && $($(\".slot\")[2]).html().replace(/\\s/gi, \"\") !== \"\"){return true;}else{return false;}})(), 'You should be displaying the result of the slot numbers in the corresponding slots.')",
+ "assert((editor.match( /\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[\\d\\]\\s*?\\)/gi) && editor.match( /\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[\\d\\]\\s*?\\)/gi ).length >= 3 && editor.match( /\\.html\\(slotOne\\)/gi ) && editor.match( /\\.html\\(slotTwo\\)/gi ) && editor.match( /\\.html\\(slotThree\\)/gi )), 'You should have used the the selector given in the description to select each slot and assign it the value of slotOne, slotTwo and slotThree respectively.')"
+ ],
"type": "waypoint",
- "challengeType": "0"
+ "challengeType": "0",
+ "isBeta": "true"
},
{
"id": "cf1111c1c11feddfaeb1bdff",
"title": "Give your JavaScript Slot Machine some Stylish Images",
- "isBeta": "true",
"description": [
"Now let's add some images to our slots.",
"We've already set up the images for you in an array called images. We can use different indexes to grab each of these.",
@@ -4875,15 +4971,6 @@
"$($('.slot')[0]).html('<img src = \"' + images[slotOne-1] + '\">');",
"Set up all three slots like this, then click the \"Go\" button to play the slot machine."
],
- "tests": [
- "assert((editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[\\d\\]\\s*?\\)\\.html\\(\\s*?\\'\\\\'\\s*?\\);/gi) && editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[\\d\\]\\s*?\\)\\.html\\(\\s*?\\'\\\\'\\s*?\\);/gi).length >= 3), 'Use the provided code three times. One for each slot.')",
- "assert(editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[0\\]\\s*?\\)/gi), 'You should have used $('.slot')[0] at least once.')",
- "assert(editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[1\\]\\s*?\\)/gi), 'You should have used $('.slot')[1] at least once.')",
- "assert(editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[2\\]\\s*?\\)/gi), 'You should have used $('.slot')[2] at least once.')",
- "assert(editor.match(/slotOne/gi) && editor.match(/slotOne/gi).length >= 7, 'You should have used the slotOne value at least once.')",
- "assert(editor.match(/slotTwo/gi) && editor.match(/slotTwo/gi).length >= 8, 'You should have used the slotTwo value at least once.')",
- "assert(editor.match(/slotThree/gi) && editor.match(/slotThree/gi).length >= 7, 'You should have used the slotThree value at least once.')"
- ],
"challengeSeed": [
"fccss",
" function runSlots() {",
@@ -5035,8 +5122,21 @@
" }",
""
],
+ "solutions": [
+ ""
+ ],
+ "tests": [
+ "assert((editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[\\d\\]\\s*?\\)\\.html\\(\\s*?\\'\\\\'\\s*?\\);/gi) && editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[\\d\\]\\s*?\\)\\.html\\(\\s*?\\'\\\\'\\s*?\\);/gi).length >= 3), 'Use the provided code three times. One for each slot.')",
+ "assert(editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[0\\]\\s*?\\)/gi), 'You should have used $('.slot')[0] at least once.')",
+ "assert(editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[1\\]\\s*?\\)/gi), 'You should have used $('.slot')[1] at least once.')",
+ "assert(editor.match(/\\$\\s*?\\(\\s*?\\$\\s*?\\(\\s*?(?:'|\")\\s*?\\.slot\\s*?(?:'|\")\\s*?\\)\\[2\\]\\s*?\\)/gi), 'You should have used $('.slot')[2] at least once.')",
+ "assert(editor.match(/slotOne/gi) && editor.match(/slotOne/gi).length >= 7, 'You should have used the slotOne value at least once.')",
+ "assert(editor.match(/slotTwo/gi) && editor.match(/slotTwo/gi).length >= 8, 'You should have used the slotTwo value at least once.')",
+ "assert(editor.match(/slotThree/gi) && editor.match(/slotThree/gi).length >= 7, 'You should have used the slotThree value at least once.')"
+ ],
"type": "waypoint",
- "challengeType": "0"
+ "challengeType": "0",
+ "isBeta": "true"
}
]
-}
+}
\ No newline at end of file