return(foo) => return foo
This commit is contained in:
ahstro
parent
eec6f2b24e
commit
e23fbf2013
@ -66,7 +66,7 @@
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"Look at the <code>ourName</code> example if you get stuck."
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],
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"tests": [
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"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');"
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"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');"
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],
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"challengeSeed": [
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"// var ourName = \"Free Code Camp\";",
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@ -76,7 +76,7 @@
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"",
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"if(typeof(myName) !== \"undefined\"){(function(v){return(v);})(myName);}"
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"if(typeof(myName) !== \"undefined\"){(function(v){return v;})(myName);}"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -90,8 +90,8 @@
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"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."
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],
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"tests": [
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"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');",
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"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');"
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"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');",
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"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');"
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],
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"challengeSeed": [
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"// name = \"Alan Turing\";",
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@ -102,7 +102,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"if(typeof(myFirstName) !== \"undefined\" && typeof(myLastName) !== \"undefined\"){(function(){return(myFirstName + ', ' + myLastName);})();}"
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"if(typeof(myFirstName) !== \"undefined\" && typeof(myLastName) !== \"undefined\"){(function(){return myFirstName + ', ' + myLastName;})();}"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -117,8 +117,8 @@
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"Use the <code>.length</code> property to count the number of characters in the <code>lastName</code> variable."
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],
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"tests": [
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"assert((function(){if(typeof(lastNameLength) !== \"undefined\" && typeof(lastNameLength) === \"number\" && lastNameLength === 8){return(true);}else{return(false);}})(), 'lastNameLength should be equal to eight.');",
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"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>');"
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"assert((function(){if(typeof(lastNameLength) !== \"undefined\" && typeof(lastNameLength) === \"number\" && lastNameLength === 8){return true;}else{return false;}})(), 'lastNameLength should be equal to eight.');",
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"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>');"
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],
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"challengeSeed": [
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"var firstNameLength = 0;",
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@ -138,7 +138,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"if(typeof(lastNameLength) !== \"undefined\"){(function(){return(lastNameLength);})();}"
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"if(typeof(lastNameLength) !== \"undefined\"){(function(){return lastNameLength;})();}"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -155,7 +155,7 @@
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"Try looking at the <code>firstLetterOfFirstName</code> variable declaration if you get stuck."
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],
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"tests": [
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"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');"
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"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');"
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],
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"challengeSeed": [
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"var firstLetterOfFirstName = \"\";",
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@ -173,7 +173,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(v){return(v);})(firstLetterOfLastName);"
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"(function(v){return v;})(firstLetterOfLastName);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -204,7 +204,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(v){return(v);})(thirdLetterOfLastName);"
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"(function(v){return v;})(thirdLetterOfLastName);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -236,7 +236,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(v){return(v);})(lastLetterOfLastName);"
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"(function(v){return v;})(lastLetterOfLastName);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -268,7 +268,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(v){return(v);})(secondToLastLetterOfLastName);"
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"(function(v){return v;})(secondToLastLetterOfLastName);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -283,7 +283,7 @@
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"Replace the <code>0</code> with the correct number so you can get the result mentioned in the comment."
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],
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"tests": [
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"assert((function(){if(sum === 20 && editor.getValue().match(/\\+/g)){return(true);}else{return(false);}})(), 'Make the variable <code>sum</code> equal 20');"
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"assert((function(){if(sum === 20 && editor.getValue().match(/\\+/g)){return true;}else{return false;}})(), 'Make the variable <code>sum</code> equal 20');"
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],
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"challengeSeed": [
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"var sum = 10 + 0; //make this equal to 20 by changing the 0 into the appropriate number.",
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@ -291,7 +291,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(z){return('sum='+z);})(sum);"
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"(function(z){return 'sum='+z;})(sum);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -306,7 +306,7 @@
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"Replace the <code>0</code> with the correct number so you can get the result mentioned in the comment."
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],
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"tests": [
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"assert((function(){if(difference === 12 && editor.getValue().match(/\\-/g)){return(true);}else{return(false);}})(), 'Make the variable <code>difference</code> equal 12');"
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"assert((function(){if(difference === 12 && editor.getValue().match(/\\-/g)){return true;}else{return false;}})(), 'Make the variable <code>difference</code> equal 12');"
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],
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"challengeSeed": [
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"var difference = 45 - 0; //make this equal to 12 by changing the 0 into the appropriate number.",
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@ -314,7 +314,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(z){return('difference='+z);})(difference);"
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"(function(z){return 'difference='+z;})(difference);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -329,7 +329,7 @@
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"Replace the <code>0</code> with the correct number so you can get the result mentioned in the comment."
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],
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"tests": [
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"assert((function(){if(product === 80 && editor.getValue().match(/\\*/g)){return(true);}else{return(false);}})(), 'Make the variable <code>product</code> equal 80.');"
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"assert((function(){if(product === 80 && editor.getValue().match(/\\*/g)){return true;}else{return false;}})(), 'Make the variable <code>product</code> equal 80.');"
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],
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"challengeSeed": [
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"var product = 8 * 0; //make this equal to 80 by changing the 0 into the appropriate number.",
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@ -337,7 +337,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(z){return('product='+z);})(product);"
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"(function(z){return 'product='+z;})(product);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -352,7 +352,7 @@
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"Replace the <code>0</code> with the correct number so you can get the result mentioned in the comment."
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],
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"tests": [
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"assert((function(){if(quotient === 2 && editor.getValue().match(/\\//g)){return(true);}else{return(false);}})(), 'Make the variable <code>quotient</code> equal 2.');"
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"assert((function(){if(quotient === 2 && editor.getValue().match(/\\//g)){return true;}else{return false;}})(), 'Make the variable <code>quotient</code> equal 2.');"
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],
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"challengeSeed": [
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"var quotient = 66 / 0; //make this equal to 2 by changing the 0 into the appropriate number.",
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@ -360,7 +360,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(z){return('quotient='+z);})(quotient);"
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"(function(z){return 'quotient='+z;})(quotient);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -374,7 +374,7 @@
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"Let's create a variable <code>myDecimal</code> and give it a decimal value."
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],
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"tests": [
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"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.');"
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"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.');"
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],
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"challengeSeed": [
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"// var ourDecimal = 5.7;",
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@ -385,7 +385,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(){if(typeof(myDecimal) !== \"undefined\"){return(myDecimal);}})();"
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"(function(){if(typeof(myDecimal) !== \"undefined\"){return myDecimal;}})();"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -399,8 +399,8 @@
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"Replace the <code>0.0</code> with the correct number so that you get the result mentioned in the comments."
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],
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"tests": [
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"assert((function(){if(product === 5.0 && editor.getValue().match(/\\*/g)){return(true);}else{return(false);}})(), 'Make the variable <code>product</code> equal 5.0.');",
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"assert((function(){if(quotient === 2.2 && editor.getValue().match(/\\//g)){return(true);}else{return(false);}})(), 'Make the variable <code>quotient</code> equal 2.2.');"
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"assert((function(){if(product === 5.0 && editor.getValue().match(/\\*/g)){return true;}else{return false;}})(), 'Make the variable <code>product</code> equal 5.0.');",
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"assert((function(){if(quotient === 2.2 && editor.getValue().match(/\\//g)){return true;}else{return false;}})(), 'Make the variable <code>quotient</code> equal 2.2.');"
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],
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"challengeSeed": [
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"var quotient = 4.4 / 2.0; // equals 2.2",
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@ -410,7 +410,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(y){return('product='+y);})(product);"
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"(function(y){return 'product='+y;})(product);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -440,7 +440,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(z){return(z);})(myArray);"
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"(function(z){return z;})(myArray);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -465,7 +465,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"if(typeof(myArray) !== \"undefined\"){(function(){return(myArray);})();}"
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"if(typeof(myArray) !== \"undefined\"){(function(){return myArray;})();}"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -484,7 +484,7 @@
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"Create a variable called <code>myData</code> and set it to equal the first value of <code>myArray</code>."
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],
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"tests":[
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"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');"
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"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');"
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],
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"challengeSeed":[
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"//var ourArray = [1,2,3];",
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@ -497,7 +497,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"if(typeof(myArray) !== \"undefined\" && typeof(myData) !== \"undefined\"){(function(y,z){return('myArray = ' + JSON.stringify(y) + ', myData = ' + JSON.stringify(z));})(myArray, myData);}"
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"if(typeof(myArray) !== \"undefined\" && typeof(myData) !== \"undefined\"){(function(y,z){return 'myArray = ' + JSON.stringify(y) + ', myData = ' + JSON.stringify(z);})(myArray, myData);}"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -514,8 +514,8 @@
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"Now modify the data stored at index 0 of <code>myArray</code> to the value of 3."
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],
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"tests":[
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"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]');",
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"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');"
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"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]');",
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"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');"
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],
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"challengeSeed":[
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"var ourArray = [1,2,3];",
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@ -528,7 +528,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"if(typeof(myArray) !== \"undefined\"){(function(){return(myArray);})();}"
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"if(typeof(myArray) !== \"undefined\"){(function(){return myArray;})();}"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -544,8 +544,8 @@
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"Use the <code>.pop()</code> function to remove the last item from myArray."
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],
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"tests": [
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"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])');",
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"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)');"
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"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])');",
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"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)');"
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],
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"challengeSeed": [
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"//var numbers = [1,2,3];",
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@ -562,7 +562,7 @@
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"// Only change code above this line.",
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"// We use this function to show you the value of your variable in your output box.",
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"// You'll learn about functions soon.",
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"(function(y, z){return('myArray = ' + JSON.stringify(y) + ' & removed = ' + JSON.stringify(z));})(myArray, removed);"
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"(function(y, z){return 'myArray = ' + JSON.stringify(y) + ' & removed = ' + JSON.stringify(z);})(myArray, removed);"
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],
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"type": "waypoint",
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"challengeType": 1
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@ -576,7 +576,7 @@
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"Take the myArray array and <code>push()</code> this value to the end of it: <code>[\"dog\", 3]</code>."
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],
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"tests": [
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"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]])');"
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"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]])');"
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],
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"challengeSeed": [
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"var ourArray = [\"Stimpson\", \"J\", [\"cat\"]];",
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@ -593,7 +593,7 @@
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"// Only change code above this line.",
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"// 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
|
||||
@ -607,8 +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 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\"');"
|
||||
"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\"]];",
|
||||
@ -624,7 +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
|
||||
@ -638,7 +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\"]];",
|
||||
@ -656,7 +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
|
||||
@ -669,13 +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>  return(a + b);</code>",
|
||||
"<code>  return a + b;</code>",
|
||||
"<code>}</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;",
|
||||
@ -697,7 +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",
|
||||
@ -722,10 +722,10 @@
|
||||
"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 = {",
|
||||
@ -746,7 +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
|
||||
@ -795,7 +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
|
||||
@ -878,13 +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
|
||||
@ -913,13 +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
|
||||
@ -936,7 +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;",
|
||||
@ -945,12 +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
|
||||
@ -964,16 +964,16 @@
|
||||
"if statements require some sort of boolean condition to evaluate.",
|
||||
"Example:",
|
||||
"<code> if (1 === 2) {</code>",
|
||||
"<code>  return(true);</code>",
|
||||
"<code>  return true;</code>",
|
||||
"<code>}</code>",
|
||||
"<code>else {</code>",
|
||||
"<code>  return(false);</code>",
|
||||
"<code>  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');"
|
||||
],
|
||||
@ -989,7 +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
|
||||
@ -1023,8 +1023,8 @@
|
||||
"",
|
||||
" // 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
|
||||
@ -1053,8 +1053,8 @@
|
||||
"",
|
||||
" // 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
|
||||
@ -1083,8 +1083,8 @@
|
||||
"",
|
||||
" // 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
|
||||
@ -1111,8 +1111,8 @@
|
||||
"",
|
||||
" // 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
|
||||
@ -1132,7 +1132,7 @@
|
||||
"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",
|
||||
@ -1155,7 +1155,7 @@
|
||||
" if(slotOne !== undefined && slotTwo !== undefined && slotThree !== undefined){",
|
||||
" $(\".logger\").html(slotOne + \" \" + slotTwo + \" \" + slotThree);",
|
||||
" }",
|
||||
" return([slotOne, slotTwo, slotThree]);",
|
||||
" return [slotOne, slotTwo, slotThree];",
|
||||
" }",
|
||||
"",
|
||||
" $(document).ready(function(){",
|
||||
@ -1282,11 +1282,11 @@
|
||||
"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>  return(null);</code>",
|
||||
"<code>  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",
|
||||
@ -1315,7 +1315,7 @@
|
||||
" $(\".logger\").append(\" \" + slotTwo);",
|
||||
" $(\".logger\").append(\" \" + slotThree);",
|
||||
" }",
|
||||
" return([slotOne, slotTwo, slotThree]);",
|
||||
" return [slotOne, slotTwo, slotThree];",
|
||||
" }",
|
||||
"",
|
||||
" $(document).ready(function(){",
|
||||
@ -1444,8 +1444,8 @@
|
||||
"Use the above selector to display each number in its corresponding slot."
|
||||
],
|
||||
"tests":[
|
||||
"assert((function(){runSlots();if($($(\".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, 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, slotTwo and slotThree respectively')"
|
||||
],
|
||||
"challengeSeed":[
|
||||
"fccss",
|
||||
@ -1470,7 +1470,7 @@
|
||||
" // Only change code above this line.",
|
||||
" ",
|
||||
" if(slotOne !== slotTwo || slotTwo !== slotThree){",
|
||||
" return(null);",
|
||||
" return null;",
|
||||
" }",
|
||||
" ",
|
||||
" if(slotOne !== undefined && slotTwo !== undefined && slotThree !== undefined){",
|
||||
@ -1479,7 +1479,7 @@
|
||||
" $(\".logger\").append(\" \" + slotThree);",
|
||||
" }",
|
||||
" ",
|
||||
" return([slotOne, slotTwo, slotThree]);",
|
||||
" return [slotOne, slotTwo, slotThree];",
|
||||
" }",
|
||||
"",
|
||||
" $(document).ready(function(){",
|
||||
@ -1637,7 +1637,7 @@
|
||||
" // Only change code above this line.",
|
||||
" ",
|
||||
" if(slotOne !== slotTwo || slotTwo !== slotThree){",
|
||||
" return(null);",
|
||||
" return null;",
|
||||
" }",
|
||||
" ",
|
||||
" if(slotOne !== undefined && slotTwo !== undefined && slotThree !== undefined){",
|
||||
@ -1646,7 +1646,7 @@
|
||||
" $('.logger').append(' ' + slotThree);",
|
||||
" }",
|
||||
" ",
|
||||
" return([slotOne, slotTwo, slotThree]);",
|
||||
" return [slotOne, slotTwo, slotThree];",
|
||||
" }",
|
||||
"",
|
||||
" $(document).ready(function(){",
|
||||
|
||||
@ -13,7 +13,7 @@
|
||||
],
|
||||
"challengeSeed": [
|
||||
"function sumAll(arr) {",
|
||||
" return(1);",
|
||||
" return 1;",
|
||||
"}",
|
||||
"",
|
||||
"sumAll([1, 4]);"
|
||||
|
||||
@ -42,7 +42,7 @@
|
||||
" // Only change code above this line.",
|
||||
"};",
|
||||
"",
|
||||
"(function() {return(JSON.stringify(motorBike));})();"
|
||||
"(function() {return JSON.stringify(motorBike);})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint",
|
||||
@ -81,7 +81,7 @@
|
||||
"var myMotorBike = new MotorBike();",
|
||||
"// Only change code above this line.",
|
||||
"",
|
||||
"(function() {return(JSON.stringify(myMotorBike));})();"
|
||||
"(function() {return JSON.stringify(myMotorBike);})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
@ -107,10 +107,10 @@
|
||||
"var Car = function() {",
|
||||
" this.gear = 1;",
|
||||
" function addStyle(styleMe){",
|
||||
" return('The Current Gear Is: ' + styleMe);",
|
||||
" return 'The Current Gear Is: ' + styleMe;",
|
||||
" }",
|
||||
" this.getGear = function() {",
|
||||
" return(addStyle(this.gear));",
|
||||
" return addStyle(this.gear);",
|
||||
" };",
|
||||
"};",
|
||||
"",
|
||||
@ -118,11 +118,11 @@
|
||||
" // Only change code below this line.",
|
||||
" this.speed = 100;",
|
||||
" function addUnit(value) {",
|
||||
" return(value + \"KM/H\");",
|
||||
" return value + \"KM/H\";",
|
||||
" }",
|
||||
" ",
|
||||
" getSpeed = function () {",
|
||||
" return(addUnit(speed));",
|
||||
" return addUnit(speed);",
|
||||
" };",
|
||||
" ",
|
||||
"};",
|
||||
@ -131,7 +131,7 @@
|
||||
"var myCar = new Car();",
|
||||
"var myBike = new Bike();",
|
||||
"",
|
||||
"if(myBike.hasOwnProperty('getSpeed')){(function() {return(JSON.stringify(myBike.getSpeed()));})();};"
|
||||
"if(myBike.hasOwnProperty('getSpeed')){(function() {return JSON.stringify(myBike.getSpeed());})();};"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
@ -166,7 +166,7 @@
|
||||
"",
|
||||
"",
|
||||
"// Only change code above this line.",
|
||||
"(function() {return(JSON.stringify(myCar));})();"
|
||||
"(function() {return JSON.stringify(myCar);})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
@ -177,7 +177,7 @@
|
||||
"difficulty":0,
|
||||
"description":[
|
||||
"<code>array = array.map(function(val){</code>",
|
||||
"<code>  return(val+1);</code>",
|
||||
"<code>  return val+1;</code>",
|
||||
"<code>});</code>",
|
||||
"",
|
||||
"The map method is one of the easiest ways to iterate through an array or object there is. Let's use it now.",
|
||||
@ -196,7 +196,7 @@
|
||||
"",
|
||||
"",
|
||||
"// Only change code above this line.",
|
||||
"(function() {return(array);})();"
|
||||
"(function() {return array;})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
@ -208,7 +208,7 @@
|
||||
"description":[
|
||||
"Reduce can be useful for condensing and array or numbers into one value.",
|
||||
"<code>var singleVal = array.reduce(function(previousVal, currentVal){</code>",
|
||||
"<code>  return(previousVal+currentVal);</code>",
|
||||
"<code>  return previousVal+currentVal;</code>",
|
||||
"<code>});</code>"
|
||||
],
|
||||
"tests":[
|
||||
@ -223,7 +223,7 @@
|
||||
"",
|
||||
"",
|
||||
"// Only change code above this line.",
|
||||
"(function() {return(singleVal);})();"
|
||||
"(function() {return singleVal;})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
@ -236,7 +236,7 @@
|
||||
"filter is a useful method that can filter out values that don't match a certain criteria",
|
||||
"Let's remove all the values greater than five",
|
||||
"<code>array = array.filter(function(val) {</code>",
|
||||
"<code>  return(val<4);</code>",
|
||||
"<code>  return val<4;</code>",
|
||||
"<code>});</code>"
|
||||
],
|
||||
"tests":[
|
||||
@ -251,7 +251,7 @@
|
||||
"",
|
||||
"",
|
||||
" // Only change code above this line.",
|
||||
"(function() {return(array);})();"
|
||||
"(function() {return array;})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
@ -278,7 +278,7 @@
|
||||
"",
|
||||
"",
|
||||
" // Only change code above this line.",
|
||||
"(function() {return(array);})();"
|
||||
"(function() {return array;})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
@ -302,7 +302,7 @@
|
||||
"",
|
||||
"",
|
||||
" // Only change code above this line.",
|
||||
"(function() {return(array);})();"
|
||||
"(function() {return array;})();"
|
||||
],
|
||||
"challengeType": 1,
|
||||
"type": "waypoint"
|
||||
@ -329,7 +329,7 @@
|
||||
"",
|
||||
"",
|
||||
"// Only change code above this line.",
|
||||
"(function() {return(array);})();"
|
||||
"(function() {return array;})();"
|
||||
],
|
||||
"challengeType": 1,
|
||||
"type": "waypoint"
|
||||
@ -354,7 +354,7 @@
|
||||
"var array = string;",
|
||||
"",
|
||||
"// Only change code above this line.",
|
||||
"(function() {return(array);})();"
|
||||
"(function() {return array;})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
@ -378,7 +378,7 @@
|
||||
"joinMe = joinMe;",
|
||||
"",
|
||||
"// Only change code above this line.",
|
||||
"(function() {return(joinMe);})();"
|
||||
"(function() {return joinMe;})();"
|
||||
],
|
||||
"challengeType":1,
|
||||
"type": "waypoint"
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user