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Merge remote-tracking branch 'upstream/staging' into patch-3

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This commit is contained in:
Abhisek Pattnaik
2015-08-30 13:49:04 +05:30
parent a4e903847f 1be3ad369f
commit b3a278a8f9
11 changed files with 192 additions and 178 deletions
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201
challenges/basic-javascript.json
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@@ -13,7 +13,8 @@
"<code>// This is a comment.</code>",
"The slash-star-star-slash comment will comment out everything between the <code>/*</code> and the <code>*/</code> characters:",
"<code>/* This is also a comment */</code>",
"Try creating one of each."
"Try creating one of each.",
"And one more thing you need to notice. Starting at this waypoint in JavaScript related challenges (except AngularJS, all Ziplines, Git, Node.js and Express.js, MongoDB and Full Stack JavaScript Projects) you can see contents of <code>assert()</code> functions (in some challenges <code>except()</code>, <code>assert.equal()</code> and so on) which are used to test your code. It's part of these challenges that you are able to see the tests that are running against your code."
],
"tests":[
"assert(editor.getValue().match(/(\\/\\/)...../g), 'Create a <code>\\/\\/</code> style comment that contains at least five letters');",
@@ -65,7 +66,7 @@
"Look at the <code>ourName</code> example if you get stuck."
],
"tests": [
"assert((function(){/**/if(typeof(myName) !== \"undefined\" && typeof(myName) === \"string\" && myName.length > 0){return(true);}else{return(false);}/**/})(), 'myName should be a string that contains at least one character in it');"
"assert((function(){/**/if(typeof(myName) !== \"undefined\" && typeof(myName) === \"string\" && myName.length > 0){return true;}else{return false;}/**/})(), 'myName should be a string that contains at least one character in it');"
],
"challengeSeed": [
"// var ourName = \"Free Code Camp\";",
@@ -75,7 +76,7 @@
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"",
"if(typeof(myName) !== \"undefined\"){(function(v){return(v);})(myName);}"
"if(typeof(myName) !== \"undefined\"){(function(v){return v;})(myName);}"
],
"type": "waypoint",
"challengeType": 1
@@ -89,8 +90,8 @@
"Now let's create two new string variables: <code>myFirstName</code>and <code>myLastName</code> 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);}})(), 'myFirstName should be a string with a least one character in it');",
"assert((function(){if(typeof(myLastName) !== \"undefined\" && typeof(myLastName) === \"string\" && myLastName.length > 0){return(true);}else{return(false);}})(), 'myLastName should be a string with a least one character in it');"
"assert((function(){if(typeof(myFirstName) !== \"undefined\" && typeof(myFirstName) === \"string\" && myFirstName.length > 0){return true;}else{return false;}})(), 'myFirstName should be a string with a least one character in it');",
"assert((function(){if(typeof(myLastName) !== \"undefined\" && typeof(myLastName) === \"string\" && myLastName.length > 0){return true;}else{return false;}})(), 'myLastName should be a string with a least one character in it');"
],
"challengeSeed": [
"// name = \"Alan Turing\";",
@@ -101,7 +102,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"if(typeof(myFirstName) !== \"undefined\" && typeof(myLastName) !== \"undefined\"){(function(){return(myFirstName + ', ' + myLastName);})();}"
"if(typeof(myFirstName) !== \"undefined\" && typeof(myLastName) !== \"undefined\"){(function(){return myFirstName + ', ' + myLastName;})();}"
],
"type": "waypoint",
"challengeType": 1
@@ -116,8 +117,8 @@
"Use the <code>.length</code> property to count the number of characters in the <code>lastName</code> variable."
],
"tests": [
"assert((function(){if(typeof(lastNameLength) !== \"undefined\" && typeof(lastNameLength) === \"number\" && lastNameLength === 8){return(true);}else{return(false);}})(), 'lastNameLength should be equal to eight.');",
"assert((function(){if(editor.getValue().match(/\\.length/gi) && editor.getValue().match(/\\.length/gi).length >= 2 && editor.getValue().match(/var lastNameLength \\= 0;/gi) && editor.getValue().match(/var lastNameLength \\= 0;/gi).length >= 1){return(true);}else{return(false);}})(), 'You should be getting the length of <code>lastName</code> by using <code>.length</code> like this: <code>lastName.length</code>');"
"assert((function(){if(typeof(lastNameLength) !== \"undefined\" && typeof(lastNameLength) === \"number\" && lastNameLength === 8){return true;}else{return false;}})(), 'lastNameLength should be equal to eight.');",
"assert((function(){if(editor.getValue().match(/\\.length/gi) && editor.getValue().match(/\\.length/gi).length >= 2 && editor.getValue().match(/var lastNameLength \\= 0;/gi) && editor.getValue().match(/var lastNameLength \\= 0;/gi).length >= 1){return true;}else{return false;}})(), 'You should be getting the length of <code>lastName</code> by using <code>.length</code> like this: <code>lastName.length</code>');"
],
"challengeSeed": [
"var firstNameLength = 0;",
@@ -137,7 +138,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"if(typeof(lastNameLength) !== \"undefined\"){(function(){return(lastNameLength);})();}"
"if(typeof(lastNameLength) !== \"undefined\"){(function(){return lastNameLength;})();}"
],
"type": "waypoint",
"challengeType": 1
@@ -154,7 +155,7 @@
"Try looking at the <code>firstLetterOfFirstName</code> variable declaration if you get stuck."
],
"tests": [
"assert((function(){if(typeof(firstLetterOfLastName) !== \"undefined\" && editor.getValue().match(/\\[0\\]/gi) && typeof(firstLetterOfLastName) === \"string\" && firstLetterOfLastName === \"L\"){return(true);}else{return(false);}})(), 'The first letter of firstLetterOfLastName should be a L');"
"assert((function(){if(typeof(firstLetterOfLastName) !== \"undefined\" && editor.getValue().match(/\\[0\\]/gi) && typeof(firstLetterOfLastName) === \"string\" && firstLetterOfLastName === \"L\"){return true;}else{return false;}})(), 'The first letter of firstLetterOfLastName should be a L');"
],
"challengeSeed": [
"var firstLetterOfFirstName = \"\";",
@@ -172,7 +173,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(v){return(v);})(firstLetterOfLastName);"
"(function(v){return v;})(firstLetterOfLastName);"
],
"type": "waypoint",
"challengeType": 1
@@ -188,7 +189,7 @@
"Try looking at the <code>secondLetterOfFirstName</code> variable declaration if you get stuck."
],
"tests": [
"assert(thirdLetterOfLastName === 'v', 'The third last letter of lastName should be a \"v\"');"
"assert(thirdLetterOfLastName === 'v', 'The third letter of lastName should be a \"v\"');"
],
"challengeSeed": [
"var firstName = \"Ada\";",
@@ -203,7 +204,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(v){return(v);})(thirdLetterOfLastName);"
"(function(v){return v;})(thirdLetterOfLastName);"
],
"type": "waypoint",
"challengeType": 1
@@ -235,7 +236,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(v){return(v);})(lastLetterOfLastName);"
"(function(v){return v;})(lastLetterOfLastName);"
],
"type": "waypoint",
"challengeType": 1
@@ -267,7 +268,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(v){return(v);})(secondToLastLetterOfLastName);"
"(function(v){return v;})(secondToLastLetterOfLastName);"
],
"type": "waypoint",
"challengeType": 1
@@ -282,7 +283,7 @@
"Replace the <code>0</code> with the correct number so you can get the result mentioned in the comment."
],
"tests": [
"assert((function(){if(sum === 20 && editor.getValue().match(/\\+/g)){return(true);}else{return(false);}})(), 'Make the variable <code>sum</code> equal 20');"
"assert((function(){if(sum === 20 && editor.getValue().match(/\\+/g)){return true;}else{return false;}})(), 'Make the variable <code>sum</code> equal 20');"
],
"challengeSeed": [
"var sum = 10 + 0; //make this equal to 20 by changing the 0 into the appropriate number.",
@@ -290,7 +291,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(z){return('sum='+z);})(sum);"
"(function(z){return 'sum='+z;})(sum);"
],
"type": "waypoint",
"challengeType": 1
@@ -305,7 +306,7 @@
"Replace the <code>0</code> with the correct number so you can get the result mentioned in the comment."
],
"tests": [
"assert((function(){if(difference === 12 && editor.getValue().match(/\\-/g)){return(true);}else{return(false);}})(), 'Make the variable <code>difference</code> equal 12');"
"assert((function(){if(difference === 12 && editor.getValue().match(/\\-/g)){return true;}else{return false;}})(), 'Make the variable <code>difference</code> equal 12');"
],
"challengeSeed": [
"var difference = 45 - 0; //make this equal to 12 by changing the 0 into the appropriate number.",
@@ -313,7 +314,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(z){return('difference='+z);})(difference);"
"(function(z){return 'difference='+z;})(difference);"
],
"type": "waypoint",
"challengeType": 1
@@ -328,7 +329,7 @@
"Replace the <code>0</code> with the correct number so you can get the result mentioned in the comment."
],
"tests": [
"assert((function(){if(product === 80 && editor.getValue().match(/\\*/g)){return(true);}else{return(false);}})(), 'Make the variable <code>product</code> equal 80.');"
"assert((function(){if(product === 80 && editor.getValue().match(/\\*/g)){return true;}else{return false;}})(), 'Make the variable <code>product</code> equal 80.');"
],
"challengeSeed": [
"var product = 8 * 0; //make this equal to 80 by changing the 0 into the appropriate number.",
@@ -336,7 +337,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(z){return('product='+z);})(product);"
"(function(z){return 'product='+z;})(product);"
],
"type": "waypoint",
"challengeType": 1
@@ -351,7 +352,7 @@
"Replace the <code>0</code> with the correct number so you can get the result mentioned in the comment."
],
"tests": [
"assert((function(){if(quotient === 2 && editor.getValue().match(/\\//g)){return(true);}else{return(false);}})(), 'Make the variable <code>quotient</code> equal 2.');"
"assert((function(){if(quotient === 2 && editor.getValue().match(/\\//g)){return true;}else{return false;}})(), 'Make the variable <code>quotient</code> equal 2.');"
],
"challengeSeed": [
"var quotient = 66 / 0; //make this equal to 2 by changing the 0 into the appropriate number.",
@@ -359,7 +360,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(z){return('quotient='+z);})(quotient);"
"(function(z){return 'quotient='+z;})(quotient);"
],
"type": "waypoint",
"challengeType": 1
@@ -373,7 +374,7 @@
"Let's create a variable <code>myDecimal</code> and give it a decimal value."
],
"tests": [
"assert((function(){if(typeof(myDecimal) !== \"undefined\" && typeof(myDecimal) === \"number\" && editor.getValue().match(/\\./g).length >=2){return(true);}else{return(false);}})(), 'myDecimal should be a decimal point number.');"
"assert((function(){if(typeof(myDecimal) !== \"undefined\" && typeof(myDecimal) === \"number\" && editor.getValue().match(/\\./g).length >=2){return true;}else{return false;}})(), 'myDecimal should be a decimal point number.');"
],
"challengeSeed": [
"// var ourDecimal = 5.7;",
@@ -384,7 +385,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(){if(typeof(myDecimal) !== \"undefined\"){return(myDecimal);}})();"
"(function(){if(typeof(myDecimal) !== \"undefined\"){return myDecimal;}})();"
],
"type": "waypoint",
"challengeType": 1
@@ -398,8 +399,8 @@
"Replace the <code>0.0</code> with the correct number so that you get the result mentioned in the comments."
],
"tests": [
"assert((function(){if(product === 5.0 && editor.getValue().match(/\\*/g)){return(true);}else{return(false);}})(), 'Make the variable <code>product</code> equal 5.0.');",
"assert((function(){if(quotient === 2.2 && editor.getValue().match(/\\//g)){return(true);}else{return(false);}})(), 'Make the variable <code>quotient</code> equal 2.2.');"
"assert((function(){if(product === 5.0 && editor.getValue().match(/\\*/g)){return true;}else{return false;}})(), 'Make the variable <code>product</code> equal 5.0.');",
"assert((function(){if(quotient === 2.2 && editor.getValue().match(/\\//g)){return true;}else{return false;}})(), 'Make the variable <code>quotient</code> equal 2.2.');"
],
"challengeSeed": [
"var quotient = 4.4 / 2.0; // equals 2.2",
@@ -409,7 +410,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(y){return('product='+y);})(product);"
"(function(y){return 'product='+y;})(product);"
],
"type": "waypoint",
"challengeType": 1
@@ -439,7 +440,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(z){return(z);})(myArray);"
"(function(z){return z;})(myArray);"
],
"type": "waypoint",
"challengeType": 1
@@ -464,7 +465,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"if(typeof(myArray) !== \"undefined\"){(function(){return(myArray);})();}"
"if(typeof(myArray) !== \"undefined\"){(function(){return myArray;})();}"
],
"type": "waypoint",
"challengeType": 1
@@ -483,7 +484,7 @@
"Create a variable called <code>myData</code> and set it to equal the first value of <code>myArray</code>."
],
"tests":[
"assert((function(){if(typeof(myArray) != 'undefined' && typeof(myData) != 'undefined' && myArray[0] == myData){return(true);}else{return(false);}})(), 'The variable <code>myData</code> should equal the first value of myArray');"
"assert((function(){if(typeof(myArray) != 'undefined' && typeof(myData) != 'undefined' && myArray[0] == myData){return true;}else{return false;}})(), 'The variable <code>myData</code> should equal the first value of myArray');"
],
"challengeSeed":[
"//var ourArray = [1,2,3];",
@@ -496,7 +497,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"if(typeof(myArray) !== \"undefined\" && typeof(myData) !== \"undefined\"){(function(y,z){return('myArray = ' + JSON.stringify(y) + ', myData = ' + JSON.stringify(z));})(myArray, myData);}"
"if(typeof(myArray) !== \"undefined\" && typeof(myData) !== \"undefined\"){(function(y,z){return 'myArray = ' + JSON.stringify(y) + ', myData = ' + JSON.stringify(z);})(myArray, myData);}"
],
"type": "waypoint",
"challengeType": 1
@@ -513,8 +514,8 @@
"Now modify the data stored at index 0 of <code>myArray</code> to the value of 3."
],
"tests":[
"assert((function(){if(typeof(myArray) != 'undefined' && myArray[0] == 3 && myArray[1] == 2 && myArray[2] == 3){return(true);}else{return(false);}})(), 'myArray should now be [3,2,3]');",
"assert((function(){if(editor.getValue().match(/[0]/g).length >= 1 && editor.getValue().match(/=/g).length >= 2){return(true);}else{return(false);}})(), 'You should be using indexes to modify the values in myArray');"
"assert((function(){if(typeof(myArray) != 'undefined' && myArray[0] == 3 && myArray[1] == 2 && myArray[2] == 3){return true;}else{return false;}})(), 'myArray should now be [3,2,3]');",
"assert((function(){if(editor.getValue().match(/myArray\\[0\\]\\s?=\\s?/g)){return true;}else{return false;}})(), 'You should be using correct index to modify the value in myArray');"
],
"challengeSeed":[
"var ourArray = [1,2,3];",
@@ -527,7 +528,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"if(typeof(myArray) !== \"undefined\"){(function(){return(myArray);})();}"
"if(typeof(myArray) !== \"undefined\"){(function(){return myArray;})();}"
],
"type": "waypoint",
"challengeType": 1
@@ -543,8 +544,8 @@
"Use the <code>.pop()</code> function to remove the last item from myArray."
],
"tests": [
"assert((function(d){if(d[0] == 'John' && d[1] == 23 && d[2] == undefined){return(true);}else{return(false);}})(myArray), 'myArray should only have the first two values left([\"John\", 23])');",
"assert((function(d){if(d[0] == 'cat' && d[1] == 2 && d[2] == undefined){return(true);}else{return(false);}})(removed), 'myArray should only have the first two values left([\"cat\"], 2)');"
"assert((function(d){if(d[0] == 'John' && d[1] == 23 && d[2] == undefined){return true;}else{return false;}})(myArray), 'myArray should only have the first two values left([\"John\", 23])');",
"assert((function(d){if(d[0] == 'cat' && d[1] == 2 && d[2] == undefined){return true;}else{return false;}})(removed), 'myArray should only have the first two values left([\"cat\"], 2)');"
],
"challengeSeed": [
"//var numbers = [1,2,3];",
@@ -561,7 +562,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(y, z){return('myArray = ' + JSON.stringify(y) + ' & removed = ' + JSON.stringify(z));})(myArray, removed);"
"(function(y, z){return 'myArray = ' + JSON.stringify(y) + ' & removed = ' + JSON.stringify(z);})(myArray, removed);"
],
"type": "waypoint",
"challengeType": 1
@@ -575,7 +576,7 @@
"Take the myArray array and <code>push()</code> this value to the end of it: <code>[\"dog\", 3]</code>."
],
"tests": [
"assert((function(d){if(d[2] != undefined && d[0] == 'John' && d[1] == 23 && d[2][0] == 'dog' && d[2][1] == 3 && d[2].length == 2){return(true);}else{return(false);}})(myArray), 'myArray should only have the first two values left([\"John\", 23, [\"dog\", 3]])');"
"assert((function(d){if(d[2] != undefined && d[0] == 'John' && d[1] == 23 && d[2][0] == 'dog' && d[2][1] == 3 && d[2].length == 2){return true;}else{return false;}})(myArray), 'myArray should only have the first two values left([\"John\", 23, [\"dog\", 3]])');"
],
"challengeSeed": [
"var ourArray = [\"Stimpson\", \"J\", [\"cat\"]];",
@@ -592,7 +593,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(z){return('myArray = ' + JSON.stringify(z));})(myArray);"
"(function(z){return 'myArray = ' + JSON.stringify(z);})(myArray);"
],
"type": "waypoint",
"challengeType": 1
@@ -606,8 +607,8 @@
"Take the myArray array and <code>shift()</code> the first value off of it."
],
"tests": [
"assert((function(d){if(d[0] == 23 && d[1][0] == 'dog' && d[1][1] == 3 && d[2] == undefined){return(true);}else{return(false);}})(myArray), 'myArray should only have the first two values left([\"John\", 23])');",
"assert((function(d){if(d === 'John' && typeof(myRemoved) === 'string'){return(true);}else{return(false);}})(myRemoved), 'myRemoved should contain \"John\"');"
"assert((function(d){if(d[0] == 23 && d[1][0] == 'dog' && d[1][1] == 3 && d[2] == undefined){return true;}else{return false;}})(myArray), 'myArray should only have the last two values left([23, [\"dog\", 3]])');",
"assert((function(d){if(d === 'John' && typeof(myRemoved) === 'string'){return true;}else{return false;}})(myRemoved), 'myRemoved should contain \"John\"');"
],
"challengeSeed": [
"var ourArray = [\"Stimpson\", \"J\", [\"cat\"]];",
@@ -623,7 +624,7 @@
"",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(y, z){return('myArray = ' + JSON.stringify(y) + ' & myRemoved = ' + JSON.stringify(z));})(myArray, myRemoved);"
"(function(y, z){return 'myArray = ' + JSON.stringify(y) + ' & myRemoved = ' + JSON.stringify(z);})(myArray, myRemoved);"
],
"type": "waypoint",
"challengeType": 1
@@ -637,7 +638,7 @@
"Let's take the code we had last time and <code>unshift</code>this value to the start: <code>\"Paul\" </code>"
],
"tests": [
"assert((function(d){if(d[0].toLowerCase() == 'paul' && d[1] == 23 && d[2][0] != undefined && d[2][0] == 'dog' && d[2][1] != undefined && d[2][1] == 3){return(true);}else{return(false);}})(myArray), 'myArray should now have [\"Paul\", 23, [\"dog\", 3]])');"
"assert((function(d){if(d[0].toLowerCase() == 'paul' && d[1] == 23 && d[2][0] != undefined && d[2][0] == 'dog' && d[2][1] != undefined && d[2][1] == 3){return true;}else{return false;}})(myArray), 'myArray should now have [\"Paul\", 23, [\"dog\", 3]])');"
],
"challengeSeed": [
"var ourArray = [\"Stimpson\", \"J\", [\"cat\"]];",
@@ -655,7 +656,7 @@
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"// You'll learn about functions soon.",
"(function(y, z){return('myArray = ' + JSON.stringify(y));})(myArray);"
"(function(y, z){return 'myArray = ' + JSON.stringify(y);})(myArray);"
],
"type": "waypoint",
"challengeType": 1
@@ -668,13 +669,13 @@
"In JavaScript, we can divide up our code into reusable parts called <code>functions</code>.",
"Here's an example of a function:",
"<code>function functionName (a, b) {</code>",
"<code>&thinsp;&thinsp;return(a + b);</code>",
"<code>&thinsp;&thinsp;return a + b;</code>",
"<code>}</code>",
"We can \"call\" our function like this: <code>functionName();</code>, and it will run and return it's <code>return</code> value to us.",
"Create and call a function called <code>myFunction</code>."
"We can \"call\" our function like this: <code>functionName();</code>, and it will run and return its <code>return</code> value to us.",
"Create and call a function called <code>myFunction</code> that returns the sum of a and b."
],
"tests":[
"assert((function(){if(typeof(f) !== \"undefined\" && typeof(f) === \"number\" && f === a + b && editor.getValue().match(/return/gi).length >= 1 && editor.getValue().match(/a/gi).length >= 1 && editor.getValue().match(/b/gi).length >= 1 && editor.getValue().match(/\\+/gi).length >= 1){return(true);}else{return(false);}})(), 'Your function should return the value of a + b');"
"assert((function(){if(typeof(f) !== \"undefined\" && typeof(f) === \"number\" && f === a + b && editor.getValue().match(/return/gi).length >= 1 && editor.getValue().match(/a/gi).length >= 1 && editor.getValue().match(/b/gi).length >= 1 && editor.getValue().match(/\\+/gi).length >= 1){return true;}else{return false;}})(), 'Your function should return the value of a + b');"
],
"challengeSeed":[
"var a = 4;",
@@ -684,9 +685,9 @@
" return a - b;",
"};",
"",
"//Don't modify above this line",
"//Create a function called myFunction that returns the value of a plus b.",
" // Only change code below this line.",
"// Don't modify above this line",
"// Create a function called myFunction that returns the value of a plus b.",
"// Only change code below this line.",
"",
"",
"",
@@ -696,7 +697,7 @@
"// You'll learn about functions soon.",
"if(typeof(myFunction) !== \"undefined\"){",
"var f=myFunction(a,b);",
"(function(){return(f);})();",
"(function(){return f;})();",
"}"
],
"type": "waypoint",
@@ -717,14 +718,14 @@
"<code> \"enemies\": [\"Water\", \"Dogs\"]</code>",
"<code>};</code>",
"</code>",
"Objects are useful for storing data in a structured way, and can represents real world objects, like a cats.",
"Let's try to make an Object that represents a dog called myDog!"
"Objects are useful for storing data in a structured way, and can represents real world objects, like a cat.",
"Let's try to make an Object that represents a dog called myDog which contains the properties 'name' (String), 'legs' (Number), 'tails' (Number) and 'friends' (Array)!"
],
"tests":[
"assert((function(z){if(z.hasOwnProperty(\"name\") && z.name !== undefined && typeof(z.name) === \"string\"){return(true);}else{return(false);}})(myDog), '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), '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), '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), 'myDog should contain the property friends and it should be an array');"
"assert((function(z){if(z.hasOwnProperty(\"name\") && z.name !== undefined && typeof(z.name) === \"string\"){return true;}else{return false;}})(myDog), '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), '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), '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), 'myDog should contain the property friends and it should be an array');"
],
"challengeSeed":[
"//var ourDog = {",
@@ -745,7 +746,7 @@
"",
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"(function(z){return(z);})(myDog);"
"(function(z){return z;})(myDog);"
],
"type": "waypoint",
"challengeType": 1
@@ -794,7 +795,7 @@
"",
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"(function(z){return(z);})(myDog);"
"(function(z){return z;})(myDog);"
],
"type": "waypoint",
"challengeType": 1
@@ -843,7 +844,7 @@
"<code>&thinsp;&thinsp;ourArray.push(i);</code>",
"<code>&thinsp;&thinsp;i++;</code>",
"<code>}</code>",
"Let's try getting a for loop to work by pushing values to an array."
"Let's try getting a while loop to work by pushing values to an array."
],
"tests":[
"assert(editor.getValue().match(/while/g), 'You should be using a while loop for this.');",
@@ -877,13 +878,13 @@
" //Change the 0 to Math.random()",
" // Only change code below this line.",
"",
" return(0);",
" return 0;",
"",
"// Only change code above this line.",
"}",
"",
"// We use this function to show you the value of your variable in your output box.",
"(function(){return(myFunction());})();"
"(function(){return myFunction();})();"
],
"type": "waypoint",
"challengeType": 1
@@ -894,16 +895,16 @@
"difficulty":"9.9828",
"description":[
"It's great that we can create random decimal numbers, but it's even more useful if we use it to generate a random whole number.",
"To achieve this we can multiply the random number by ten and use the <code>Math.floor()</code> to convert the decimal number to a whole number",
"This technique gives us a whole number between zero and nine",
"To achieve this we can multiply the random number by ten and use the <code>Math.floor()</code> to convert the decimal number to a whole number.",
"This technique gives us a whole number between zero and nine.",
"Example:",
"<code>Math.floor(Math.random()*10);</code>",
"Let's give this technique a go now"
"Let's give this technique a go now."
],
"tests":[
"assert(typeof(myFunction()) === \"number\", 'The result of myFunction should be a number');",
"assert(editor.getValue().match(/Math.random/g), 'You should be using Math.random to create a random number');",
"assert(!(''+myFunction()).match(/\\./g), 'You should have multiplied the result of Math.random but 10 to make it a number that\\'s greater then zero');",
"assert(!(''+myFunction()).match(/\\./g), 'You should have multiplied the result of Math.random by 10 to make it a number that\\'s greater than zero');",
"assert(editor.getValue().match(/Math.floor/g), 'You should use Math.floor to remove the decimal part of the number');"
],
"challengeSeed":[
@@ -912,13 +913,13 @@
"",
" // Only change code below this line.",
"",
" return(Math.random());",
" return Math.random();",
"",
" // Only change code above this line.",
"}",
"",
"// We use this function to show you the value of your variable in your output box.",
"(function(){return(myFunction());})();"
"(function(){return myFunction();})();"
],
"type": "waypoint",
"challengeType": 1
@@ -935,7 +936,7 @@
"tests":[
"assert(myFunction() >= min, 'The random number that\\'s generated by myFunction should be greater than or equal to the minimum number');",
"assert(myFunction() <= max, 'The random number that\\'s generated by myFunction should be less than or equal to the maximum number');",
"assert((function(){if(editor.getValue().match(/max/g).length >= 2 && editor.getValue().match(/min/g).length >= 2 && editor.getValue().match(/Math.floor/g) && editor.getValue().match(/Math.random/g)){return(true);}else{return(false);}})(), 'You should be using the function given in the description to calculate the random in number in a range');"
"assert((function(){if(editor.getValue().match(/max/g).length >= 2 && editor.getValue().match(/min/g).length >= 2 && editor.getValue().match(/Math.floor/g) && editor.getValue().match(/Math.random/g)){return true;}else{return false;}})(), 'You should be using the function given in the description to calculate the random in number in a range');"
],
"challengeSeed":[
"var min = 0;",
@@ -944,12 +945,12 @@
" // Make myFunction return a random number between zero and nine instead of a decimal",
" // Only change code below this line.",
"",
" return(Math.random());",
" return Math.random();",
"}",
"",
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"(function(){return(myFunction());})();"
"(function(){return myFunction();})();"
],
"type": "waypoint",
"challengeType": 1
@@ -963,16 +964,16 @@
"if statements require some sort of boolean condition to evaluate.",
"Example:",
"<code> if (1 === 2) {</code>",
"<code>&thinsp;&thinsp;return(true);</code>",
"<code>&thinsp;&thinsp;return true;</code>",
"<code>}</code>",
"<code>else {</code>",
"<code>&thinsp;&thinsp;return(false);</code>",
"<code>&thinsp;&thinsp;return false;</code>",
"<code>}</code>",
"Let's use <code>if</code> and <code>else</code> statements to make a coin-flip game.",
"Create an <code>if-else statement</code> to return <code>heads</code> if the flip var is zero, or else return <code>tails</code> if it's not."
],
"tests":[
"assert((function(){if(myFunction() === \"heads\" || myFunction() === \"tails\"){return(true);}else{return(false);}})(), 'myFunction should either return heads or tails');",
"assert((function(){if(myFunction() === \"heads\" || myFunction() === \"tails\"){return true;}else{return false;}})(), 'myFunction should either return heads or tails');",
"assert(editor.getValue().match(/if/g).length >= 3, 'You should have created a new if statement');",
"assert(editor.getValue().match(/else/g).length >= 2, 'You should have created a new else statement');"
],
@@ -988,7 +989,7 @@
"",
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
"(function(){return(myFunction());})();"
"(function(){return myFunction();})();"
],
"type": "waypoint",
"challengeType": 1
@@ -1021,8 +1022,8 @@
"",
" // Only change code above this line.",
" // We use this function to show you the value of your variable in your output box.",
" return(testString.match(expression).length);",
"})();(function(){return(test);})();"
" return testString.match(expression).length;",
"})();(function(){return test;})();"
],
"type": "waypoint",
"challengeType": 1
@@ -1039,7 +1040,7 @@
],
"tests":[
"assert(test === 2, 'Your RegEx should have found two numbers in the testString');",
"assert(editor.getValue().match(/\\/\\\\d\\+\\//gi), 'You should be using the following expression /\\d+/gi to find the numbers in the testString');"
"assert(editor.getValue().match(/\\/\\\\d\\+\\//gi), 'You should be using the following expression /\\\\d+/gi to find the numbers in the testString');"
],
"challengeSeed":[
"var test = (function() {",
@@ -1051,8 +1052,8 @@
"",
" // Only change code above this line.",
" // We use this function to show you the value of your variable in your output box.",
" return(testString.match(expression).length);",
"})();(function(){return(test);})();"
" return testString.match(expression).length;",
"})();(function(){return test;})();"
],
"type": "waypoint",
"challengeType": 1
@@ -1069,7 +1070,7 @@
],
"tests":[
"assert(test === 7, 'Your RegEx should have found seven spaces in the <code>testString</code>.');",
"assert(editor.getValue().match(/\\/\\\\s\\+\\//gi), 'You should be using the following expression /\\s+/gi to find the spaces in the <code>testString</code>.');"
"assert(editor.getValue().match(/\\/\\\\s\\+\\//gi), 'You should be using the following expression /\\\\s+/gi to find the spaces in the <code>testString</code>.');"
],
"challengeSeed":[
"var test = (function(){",
@@ -1081,8 +1082,8 @@
"",
" // Only change code above this line.",
" // We use this function to show you the value of your variable in your output box.",
" return(testString.match(expression).length);",
"})();(function(){return(test);})();"
" return testString.match(expression).length;",
"})();(function(){return test;})();"
],
"type": "waypoint",
"challengeType": 1
@@ -1097,7 +1098,7 @@
],
"tests":[
"assert(test === 49, 'Your RegEx should have found forty nine non-space characters in the <code>testString</code>.');",
"assert(editor.getValue().match(/\\/\\\\S\\/gi/gi), 'You should be using the following expression <code>/\\S/gi</code> to find non-space characters in the <code>testString</code>.');"
"assert(editor.getValue().match(/\\/\\\\S\\/gi/gi), 'You should be using the following expression <code>/\\\\S/gi</code> to find non-space characters in the <code>testString</code>.');"
],
"challengeSeed":[
"var test = (function(){",
@@ -1109,8 +1110,8 @@
"",
" // Only change code above this line.",
" // We use this function to show you the value of your variable in your output box.",
" return(testString.match(expression).length);",
"})();(function(){return(test);})();"
" return testString.match(expression).length;",
"})();(function(){return test;})();"
],
"type": "waypoint",
"challengeType":1
@@ -1130,7 +1131,7 @@
"assert(typeof(runSlots($(\".slot\"))[0]) === \"number\", '<code>slotOne</code> should be a random number.')",
"assert(typeof(runSlots($(\".slot\"))[1]) === \"number\", '<code>slotTwo</code> should be a random number.')",
"assert(typeof(runSlots($(\".slot\"))[2]) === \"number\", '<code>slotThree</code> 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(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1;/gi).length >= 3);}else{return(false);}})(), 'You should have used <code>Math.floor(Math.random() * (3 - 1 + 1)) + 1;</code> three times to generate your random numbers.')"
"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(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1;/gi).length >= 3;}else{return false;}})(), 'You should have used <code>Math.floor(Math.random() * (3 - 1 + 1)) + 1;</code> three times to generate your random numbers.')"
],
"challengeSeed":[
"fccss",
@@ -1153,7 +1154,7 @@
" if(slotOne !== undefined && slotTwo !== undefined && slotThree !== undefined){",
" $(\".logger\").html(slotOne + \" \" + slotTwo + \" \" + slotThree);",
" }",
" return([slotOne, slotTwo, slotThree]);",
" return [slotOne, slotTwo, slotThree];",
" }",
"",
" $(document).ready(function(){",
@@ -1277,14 +1278,14 @@
"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.",
"Otherwise, we should return <code>null</code>, which is a JavaScript data structure that means nothing.",
"If all three numbers match, we should change the value of win to the number that we have three of or leave it as null.",
"If all three numbers match, we should return the number that we have in three of slots or leave it as <code>null</code>.",
"Let's create an <code>if statement</code> with multiple conditions in order to check whether all numbers are equal.",
"<code>if(slotOne !== slotTwo || slotTwo !== slotThree){</code>",
"<code>&thinsp;&thinsp;return(null);</code>",
"<code>&thinsp;&thinsp;return null;</code>",
"<code>}</code>"
],
"tests":[
"assert((function(){var data = runSlots();if(data === null){return(true)}else{if(data[0] === data[1] && data[1] === data[2]){return(true);}else{return(false);}}})(), 'If all three of our random numbers are the same we should return that number. Otherwise we should return null.')"
"assert((function(){var data = runSlots();if(data === null){return true}else{if(data[0] === data[1] && data[1] === data[2]){return true;}else{return false;}}})(), 'If all three of our random numbers are the same we should return that number. Otherwise we should return null.')"
],
"challengeSeed":[
"fccss",
@@ -1313,7 +1314,7 @@
" $(\".logger\").append(\" \" + slotTwo);",
" $(\".logger\").append(\" \" + slotThree);",
" }",
" return([slotOne, slotTwo, slotThree]);",
" return [slotOne, slotTwo, slotThree];",
" }",
"",
" $(document).ready(function(){",
@@ -1442,8 +1443,8 @@
"Use the above selector to display each number in its corresponding slot."
],
"tests":[
"assert((function(){runSlots();if($($(\".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((function(){if(editor.match( /\\$\\(\\$\\(\\\"\\.slot\\\"\\)\\[\\d\\]\\)/gi )){if(editor.match( /\\$\\(\\$\\(\\\"\\.slot\\\"\\)\\[\\d\\]\\)/gi ).length >= 3 && editor.match( /\\.html\\(slotOne\\)/gi ) && editor.match( /\\.html\\(slotTwo\\)/gi ) && editor.match( /\\.html\\(slotThree\\)/gi )){return(true);}else{return(false);}}else{return(false);}})(), 'You should have used the the selector given in the description to select each slot and assign it the value of slotOne&#44; slotTwo and slotThree respectively')"
"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((function(){if(editor.match( /\\$\\(\\$\\(\\\"\\.slot\\\"\\)\\[\\d\\]\\)/gi )){if(editor.match( /\\$\\(\\$\\(\\\"\\.slot\\\"\\)\\[\\d\\]\\)/gi ).length >= 3 && editor.match( /\\.html\\(slotOne\\)/gi ) && editor.match( /\\.html\\(slotTwo\\)/gi ) && editor.match( /\\.html\\(slotThree\\)/gi )){return true;}else{return false;}}else{return false;}})(), 'You should have used the the selector given in the description to select each slot and assign it the value of slotOne&#44; slotTwo and slotThree respectively')"
],
"challengeSeed":[
"fccss",
@@ -1468,7 +1469,7 @@
" // Only change code above this line.",
" ",
" if(slotOne !== slotTwo || slotTwo !== slotThree){",
" return(null);",
" return null;",
" }",
" ",
" if(slotOne !== undefined && slotTwo !== undefined && slotThree !== undefined){",
@@ -1477,7 +1478,7 @@
" $(\".logger\").append(\" \" + slotThree);",
" }",
" ",
" return([slotOne, slotTwo, slotThree]);",
" return [slotOne, slotTwo, slotThree];",
" }",
"",
" $(document).ready(function(){",
@@ -1635,7 +1636,7 @@
" // Only change code above this line.",
" ",
" if(slotOne !== slotTwo || slotTwo !== slotThree){",
" return(null);",
" return null;",
" }",
" ",
" if(slotOne !== undefined && slotTwo !== undefined && slotThree !== undefined){",
@@ -1644,7 +1645,7 @@
" $('.logger').append(' ' + slotThree);",
" }",
" ",
" return([slotOne, slotTwo, slotThree]);",
" return [slotOne, slotTwo, slotThree];",
" }",
"",
" $(document).ready(function(){",