67 lines
1.4 KiB
Markdown
67 lines
1.4 KiB
Markdown
---
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title: Averages-Mode
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id: 594d8d0ab97724821379b1e6
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challengeType: 5
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videoUrl: ''
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localeTitle: 平均值模式
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---
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## Description
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<section id="description"><p>编写程序以查找集合的<a href="https://en.wikipedia.org/wiki/Mode (statistics)" title="wp：模式（统计）">模式</a>值。 </p><p>可以忽略集合为空的情况。必须小心处理模式不唯一的情况。 </p><p>如果不适合或不可能支持常规集合，请尽可能使用向量（数组）。如果不适合或不可能支持未指定的值类型，请使用整数。 </p></section>
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## Instructions
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<section id="instructions">
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</section>
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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: <code>mode</code>是一种功能。
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testString: assert(typeof mode === 'function');
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- text: '<code>mode([1, 3, 6, 6, 6, 6, 7, 7, 12, 12, 17])</code>应该相等<code>[6]</code>'
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testString: assert.deepEqual(mode(arr1), [6]);
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- text: '<code>mode([1, 2, 4, 4, 1])</code>应该等于<code>[1, 4]</code> 。'
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testString: assert.deepEqual(mode(arr2).sort(), [1, 4]);
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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 mode (arr) {
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// Good luck!
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return true;
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}
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```
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</div>
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### After Test
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<div id='js-teardown'>
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```js
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console.info('after the test');
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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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