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Fix 'Creating and Adding to Sets in ES6' challenge

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Kenneth
2017-02-24 22:12:31 +08:00
parent ad2899ccd6
commit 62450896c7
1 changed files with 20 additions and 17 deletions
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challenges/08-coding-interview-questions-and-take-home-assignments/coding-interview-data-structure-questions.json
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@ -674,31 +674,34 @@
"id": "587d8254367417b2b2512c70", "id": "587d8254367417b2b2512c70",
"title": "Creating and Adding to Sets in ES6", "title": "Creating and Adding to Sets in ES6",
"description": [ "description": [
"Now we have worked through ES5, we are going to perform similar actions in ES6. This will be considerably easier. Set is now now a provided data structure like Object, Array, etc. so many of the operations we wrote by hand are now included for us. Let's take a look:", "Now that you have worked through ES5, you are going to perform something similar in ES6. This will be considerably easier. ES6 contains a built-in data structure <code>Set</code> so many of the operations you wrote by hand are now included for you. Let's take a look:",
"To create a new empty set:", "To create a new empty set:",
"var set = new Set();", "<code>var set = new Set();</code>",
"You can create a set with a value:", "You can create a set with a value:",
"var set = new Set(1);", "<code>var set = new Set(1);</code>",
"You can create a set with an array:", "You can create a set with an array:",
"var set = new Set([1,2,3]);", "<code>var set = new Set([1, 2, 3]);</code>",
"Once you have created a set, you can add the values you wish using set.add:", "Once you have created a set, you can add the values you wish using the <code>add</code> method:",
"var set = new Set([1,2,3]);", "<blockquote>var set = new Set([1, 2, 3]);<br>set.add([4, 5, 6]);</blockquote>",
"set.add([4,5,6]);", "As a reminder, a set is a data structure that cannot contain duplicate values:",
"For this exercise, we will return a set with the following values: 1, 2, 3, 'Taco', 'Cat', 'Awesome'", "<blockquote>var set = new Set([1, 2, 3, 1, 2, 3]);<br>// set contains [1, 2, 3] only</blockquote>",
"Test suite (using the assert method)", "<hr>",
"assert((function(){var test = checkSet(); var testArr = [...test]; testArr === [ 1, 2, 3, 'Taco', 'Cat', 'Awesome'])}, 'message: Your Set was returned correctly!');" "For this exercise, return a set with the following values: <code>1, 2, 3, 'Taco', 'Cat', 'Awesome'</code>"
], ],
"challengeSeed": [ "challengeSeed": [
"function checkSet() {", "function checkSet() {",
" var set = new Set([1, 2, 3, 3, 2, 1, 2, 3, 1]);", " var set = new Set([1, 2, 3, 3, 2, 1, 2, 3, 1]);",
" // change code below this line", " // change code below this line",
" ",
" // change code above this line", " // change code above this line",
" console.log(set)", " console.log(set);",
"};", " return set;",
"}",
"",
"checkSet();" "checkSet();"
], ],
"tests": [ "tests": [
"assert((function(){var test = checkSet(); var testArr = [...test]; testArr === [ 1, 2, 3, 'Taco', 'Cat', 'Awesome'])}, 'message: Your Set was returned correctly!');" "assert((function(){var test = checkSet(); return (test.size == 6) && test.has(1) && test.has(2) && test.has(3) && test.has('Taco') && test.has('Cat') && test.has('Awesome');})(), 'message: Your <code>Set</code> only contains the values <code>1, 2, 3, Taco, Cat, Awesome</code>.');"
], ],
"type": "waypoint", "type": "waypoint",
"releasedOn": "Feb 17, 2017", "releasedOn": "Feb 17, 2017",