67 lines
1.5 KiB
Markdown
67 lines
1.5 KiB
Markdown
|
---
|
||
|
|
title: Factors of an integer
|
||
|
|
id: 597f1e7fbc206f0e9ba95dc4
|
||
|
|
challengeType: 5
|
||
|
|
videoUrl: ''
|
||
|
|
localeTitle: 整数因子
|
||
|
|
---
|
||
|
|
|
||
|
|
## Description
|
||
|
|
<section id="description"><p>编写一个返回正整数因子的函数。 </p><p>这些因子是正整数，通过该正整数可以将被分解的数量除以产生正整数结果。 </p> /// </section>
|
||
|
|
|
||
|
|
## Instructions
|
||
|
|
<section id="instructions">
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Tests
|
||
|
|
<section id='tests'>
|
||
|
|
|
||
|
|
```yml
|
||
|
|
tests:
|
||
|
|
- text: <code>factors</code>是一种功能。
|
||
|
|
testString: 'assert(typeof factors === "function", "<code>factors</code> is a function.");'
|
||
|
|
- text: '<code>factors(45)</code>应该返回<code>[1,3,5,9,15,45]</code> 。'
|
||
|
|
testString: 'assert.deepEqual(factors(45), ans[0], "<code>factors(45)</code> should return <code>[1,3,5,9,15,45]</code>.");'
|
||
|
|
- text: '<code>factors(53)</code>应该返回<code>[1,53]</code> 。'
|
||
|
|
testString: 'assert.deepEqual(factors(53), ans[1], "<code>factors(53)</code> should return <code>[1,53]</code>.");'
|
||
|
|
- text: '<code>factors(64)</code>应该返回<code>[1,2,4,8,16,32,64]</code> 。'
|
||
|
|
testString: 'assert.deepEqual(factors(64), ans[2], "<code>factors(64)</code> should return <code>[1,2,4,8,16,32,64]</code>.");'
|
||
|
|
|
||
|
|
```
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Challenge Seed
|
||
|
|
<section id='challengeSeed'>
|
||
|
|
|
||
|
|
<div id='js-seed'>
|
||
|
|
|
||
|
|
```js
|
||
|
|
function factors (num) {
|
||
|
|
// Good luck!
|
||
|
|
}
|
||
|
|
|
||
|
|
```
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
### After Test
|
||
|
|
<div id='js-teardown'>
|
||
|
|
|
||
|
|
```js
|
||
|
|
console.info('after the test');
|
||
|
|
```
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Solution
|
||
|
|
<section id='solution'>
|
||
|
|
|
||
|
|
```js
|
||
|
|
// solution required
|
||
|
|
```
|
||
|
|
</section>
|