freeCodeCamp/curriculum/challenges/chinese/02-javascript-algorithms-an.../intermediate-algorithm-scri.../smallest-common-multiple.ch...

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---
id: ae9defd7acaf69703ab432ea
title: Smallest Common Multiple
isRequired: true
challengeType: 5
videoUrl: ''
localeTitle: 最小的共同多重
---
## Description
<section id="description">找到所提供参数的最小公倍数可以均匀地除以这些参数以及这些参数之间范围内的所有序号。范围将是两个数字的数组不一定按数字顺序排列。例如如果给定1和3找到1和3的最小公倍数它们也可以被1到3 <em>之间</em>的所有数字整除。这里的答案是6.记得使用<a href="http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514" target="_blank">Read-Search-Ask</a>如果你得到卡住。尝试配对程序。编写自己的代码。 </section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: '<code>smallestCommons([1, 5])</code>应返回一个数字。'
testString: 'assert.deepEqual(typeof smallestCommons([1, 5]), "number", "<code>smallestCommons([1, 5])</code> should return a number.");'
- text: '<code>smallestCommons([1, 5])</code>应该返回60。'
testString: 'assert.deepEqual(smallestCommons([1, 5]), 60, "<code>smallestCommons([1, 5])</code> should return 60.");'
- text: '<code>smallestCommons([5, 1])</code>应该返回60。'
testString: 'assert.deepEqual(smallestCommons([5, 1]), 60, "<code>smallestCommons([5, 1])</code> should return 60.");'
- text: '<code>smallestCommons([2, 10])</code> 2,10 <code>smallestCommons([2, 10])</code>应返回2520。'
testString: 'assert.deepEqual(smallestCommons([2, 10]), 2520, "<code>smallestCommons([2, 10])</code> should return 2520.");'
- text: '<code>smallestCommons([1, 13])</code> 1,13 <code>smallestCommons([1, 13])</code>应返回360360。'
testString: 'assert.deepEqual(smallestCommons([1, 13]), 360360, "<code>smallestCommons([1, 13])</code> should return 360360.");'
- text: '<code>smallestCommons([23, 18])</code> 23,18 <code>smallestCommons([23, 18])</code>应返回6056820。'
testString: 'assert.deepEqual(smallestCommons([23, 18]), 6056820, "<code>smallestCommons([23, 18])</code> should return 6056820.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function smallestCommons(arr) {
return arr;
}
smallestCommons([1,5]);
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>