78 lines
1.7 KiB
Markdown
78 lines
1.7 KiB
Markdown
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---
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id: 587d8251367417b2b2512c62
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title: Create a Linked List Class
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challengeType: 1
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videoUrl: ''
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localeTitle: ''
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---
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## Description
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undefined
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## Instructions
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undefined
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: ''
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testString: 'assert((function(){var test = new LinkedList(); return (typeof test.add === "function")}()), "Your <code>LinkedList</code> class should have a <code>add</code> method.");'
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- text: ''
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testString: 'assert((function(){var test = new LinkedList(); test.add("cat"); return test.head().element === "cat"}()), "Your <code>LinkedList</code> class should assign <code>head</code> to the first node added.");'
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- text: ''
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testString: 'assert((function(){var test = new LinkedList(); test.add("cat"); test.add("dog"); return test.head().next.element === "dog"}()), "The previous <code>node</code> in your <code>LinkedList</code> class should have reference to the newest node created.");'
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- text: ''
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testString: 'assert((function(){var test = new LinkedList(); test.add("cat"); test.add("dog"); return test.size() === 2}()), "The <code>size</code> of your <code>LinkedList</code> class should equal the amount of nodes in the linked list.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function LinkedList() {
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var length = 0;
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var head = null;
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var Node = function(element){
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this.element = element;
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this.next = null;
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};
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this.head = function(){
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return head;
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};
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this.size = function(){
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return length;
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};
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this.add = function(element){
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// Only change code below this line
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// Only change code above this line
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};
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}
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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