First twelve OOP challenges ready to roll

pull/18182/head
benmcmahon100 2015-08-13 00:20:15 +01:00
parent 05afe79320
commit 4349a5cf6e
1 changed files with 127 additions and 48 deletions

View File

@ -123,7 +123,8 @@
"difficulty":0,
"description":[
"",
"Instantiation at it's most basic level is where you are creating a copy of an object from a template for use at a later time"
"Instantiation at it's most basic level is where you are creating a copy of an object from a template for use at a later time",
"The instance inherits all the properties and methods of the original Object"
],
"tests":[
"assert((new Car()).wheels === 4, 'The property wheels should be four in the object constructor');",
@ -145,48 +146,30 @@
],
"challengeType":1
},
{
"id":"cf1111c1c15feddfaeb5bdef",
"title":"Waypoint: Inheritance",
"difficulty":0,
"description":[
""
],
"tests":[
"assert(1==2, '');"
],
"challengeSeed":[
"Under Construction"
],
"challengeType":1
},
{
"id":"cf1111c1c15feddfaeb6bdef",
"title":"Waypoint: Prototypical Inheritance",
"difficulty":0,
"description":[
""
],
"tests":[
"assert(1==2, '');"
],
"challengeSeed":[
"Under Construction"
],
"challengeType":1
},
{
"id":"cf1111c1c15feddfaeb7bdef",
"title":"Waypoint: Using .map",
"difficulty":0,
"description":[
""
"",
"<code>array = array.map(function(val){",
" return(val+1);",
"});</code>",
"",
"The map method is one of the easiest ways to iterate through an array or object there is. Let's use it now"
],
"tests":[
"assert(1==2, '');"
"assert.deepEqual(array, [4,5,6,7,8], 'You should have added three to each value in the array');",
"assert(editor.getValue().match(/\\.map\\(/gi), 'You should be making use of the map method');",
"assert(editor.getValue().match(/\\[1\\,2\\,3\\,4\\,5\\]/gi), 'You should only modify the array with .map');"
],
"challengeSeed":[
"Under Construction"
"//Use map to add three to each value in the array",
"var array = [1,2,3,4,5];",
"",
"",
"",
"(function(){return(array);})();"
],
"challengeType":1
},
@ -195,13 +178,25 @@
"title":"Waypoint: Using .reduce",
"difficulty":0,
"description":[
""
"",
"Reduce can be useful for condensing and array or numbers into one value.",
"",
"<code>var singleVal = array.reduce(function(previousVal, currentVal){",
" return(previousVal+currentVal);",
"}</code>"
],
"tests":[
"assert(1==2, '');"
"assert(singleVal == 30, 'singleVal should have been set to the result of you reduce operation');",
"assert(editor.getValue().match(/\\.reduce\\(/gi), 'You should have made use of the reduce method');"
],
"challengeSeed":[
"Under Construction"
"var array = [4,5,6,7,8];",
"",
"var singleVal = 0;",
"",
"",
"",
"(function(){return(singleVal);})()"
],
"challengeType":1
},
@ -210,13 +205,24 @@
"title":"Waypoint: Using .filter",
"difficulty":0,
"description":[
""
"",
"filter is a useful method that can filter out values that don't match a certain criteria",
"Let's remove all the values less than six",
"<code>array = array.filter(function(val){",
" return(val<4);",
"});</code>"
],
"tests":[
"assert(1==2, '');"
"assert.deepEqual(array, [1,2,3,4,5], 'You should have removed all the values from the array that are less than six');",
"assert(editor.getValue().match(/array\\.filter\\(/gi), 'You should be using the filter method to remove the values from the array');",
"assert(editor.getValue().match(/\\[1\\,2\\,3\\,4\\,5\\,6\\,7\\,8\\,9\\,10\\]/gi), 'You should only be using .filter to modify the contents of the array);"
],
"challengeSeed":[
"Under Construction"
"var array = [1,2,3,4,5,6,7,8,9,10];",
"",
"",
"",
"(function(){return(array);})();"
],
"challengeType":1
},
@ -225,13 +231,24 @@
"title":"Waypoint: Using .sort",
"difficulty":0,
"description":[
"",
"You can use the method sort to easily sort the values in the array alphabetically or numerically",
"<code>var array = [1,3,2];",
"array = array.sort();</code>",
"This will return [1, 2, 3]",
""
],
"tests":[
"assert(1==2, '');"
"assert.deepEqual(array, ['alpha', 'beta', 'charlie'], 'You should have sorted the array alphabetically');",
"assert(editor.getValue().match(/\\[\\'beta\\'\\,\\s\\'alpha\\'\\,\\s'charlie\\'\\];/gi), 'You should be sorting the array using sort');",
"assert(editor.getValue().match(/\\.sort\\(\\)/gi), 'You should have made use of the sort method');"
],
"challengeSeed":[
"Under Construction"
"var array = ['beta', 'alpha', 'charlie'];",
"",
"",
"",
"(function(){return(array);})();"
],
"challengeType":1
},
@ -240,13 +257,20 @@
"title": "Waypoint: Using .reverse",
"difficulty": 0,
"description": [
""
"",
"You can use the reverse method to reverse the contents of an array"
],
"tests": [
"assert(1==2, '');"
"assert.deepEqual(array, [7,6,5,4,3,2,1], 'You should reverse the array');",
"assert(editor.getValue().match(/\\.reverse\\(\\)/gi), '');",
"assert(editor.getValue().match(/\\[1\\,2\\,3\\,4\\,5\\,6\\,7/gi), '');"
],
"challengeSeed": [
"Under Construction"
"var array = [1,2,3,4,5,6,7];",
"",
"",
"",
"(function(){return(array);})();"
],
"challengeType": 1
},
@ -255,15 +279,70 @@
"title": "Waypoint: Using .concat",
"difficulty": 0,
"description": [
""
"",
"Concat can be used to merge the contents of two arrays into one",
"<code>array = array.concat(otherArray);</code>"
],
"tests": [
"assert(1==2, '');"
"assert.deepEqual(array, [1,2,3,4,5,6], 'You should concat the two arrays together');",
"assert(editor.getValue().match(/\\.concat\\(/gi), 'You should be using the concat method to merge the two arrays');",
"assert(editor.getValue().match(/\\[1\\,2\\,3\\]/gi) && editor.getValue().match(/\\[4\\,5\\,6\\]/gi), 'You should only modify the two arrays without changing the origional ones');"
],
"challengeSeed": [
"Under Construction"
"var array = [1,2,3];",
"",
"var concatMe = [4,5,6];",
"",
"",
"",
"(function(){return(array);})()"
],
"challengeType": 1
},
{
"id":"cf1111c1c16feddfaeb4bdef",
"title":"Waypoint: Using .split",
"difficulty":0,
"description":[
"",
"You can use the split method to split a string into an array",
"split uses the argument you give to to split the string",
"<code>array = string.split(' ');</code>"
],
"tests":[
"assert(typeof(array) === 'object' && array.length === 5, 'You should have split the string by it\\'s spaces');",
"assert(/\\.split\\(/gi, 'You should have made use of the split method on the string');"
],
"challengeSeed":[
"var string = \"Split me into an array\";",
"",
"var array = string;",
"",
"(function(){return(array);})();"
],
"challengeType":1
},
{
"id":"cf1111c1c16feddfaeb5bdef",
"title":"Waypoint: Using .join",
"difficulty":0,
"description":[
"",
"We can use the join method to join each element in an array into a string separated by whatever delimiter you provide as an argument to the join operation",
"<code>var joinMe = joinMe.join(\" \");</code>"
],
"tests":[
"assert(typeof(joinMe) === 'string' && joinMe === \"Split me into an array\", 'You should have joined the arrays by it\\'s spaces');",
"assert(/\\.join\\(/gi, 'You should have made use of the join method on the array');"
],
"challengeSeed":[
"var joinMe = [\"Split\",\"me\",\"into\",\"an\",\"array\"];",
"",
"joinMe = joinMe;",
"",
"(function(){return(joinMe);})();"
],
"challengeType":1
}
]
}