freeCodeCamp/curriculum/challenges/arabic/02-javascript-algorithms-an.../es6/use-destructuring-assignmen...

64 lines
1.2 KiB
Markdown
Raw Normal View History

---
id: 587d7b8a367417b2b2512b4c
title: Use Destructuring Assignment with the Rest Operator to Reassign Array Elements
challengeType: 1
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
<section id='tests'>
```yml
tests:
- text: ''
testString: 'assert(arr.every((v, i) => v === i + 3) && arr.length === 8,"<code>arr</code> should be <code>[3,4,5,6,7,8,9,10]</code>");'
- text: ''
testString: 'getUserInput => assert(getUserInput("index").match(/\[\s*\w*\s*,\s*\w*\s*,\s*...\w+\s*\]/g),"Destructuring should be used.");'
- text: ''
testString: 'getUserInput => assert(!getUserInput("index").match(/slice/g), "<code>Array.slice()</code> should not be used.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
const source = [1,2,3,4,5,6,7,8,9,10];
function removeFirstTwo(list) {
"use strict";
// change code below this line
arr = list; // change this
// change code above this line
return arr;
}
const arr = removeFirstTwo(source);
console.log(arr); // should be [3,4,5,6,7,8,9,10]
console.log(source); // should be [1,2,3,4,5,6,7,8,9,10];
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>