63 lines
2.0 KiB
Markdown
63 lines
2.0 KiB
Markdown
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---
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id: ab306dbdcc907c7ddfc30830
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title: Steamroller
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isRequired: true
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challengeType: 5
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videoUrl: ''
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localeTitle: 压路机
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---
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## Description
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<section id="description">展平嵌套数组。您必须考虑不同的嵌套级别。如果卡住，请记得使用<a href="http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514" target="_blank">Read-Search-Ask</a> 。尝试配对程序。编写自己的代码。 </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>steamrollArray([[["a"]], [["b"]]])</code>应返回<code>["a", "b"]</code> 。'
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testString: 'assert.deepEqual(steamrollArray([[["a"]], [["b"]]]), ["a", "b"], "<code>steamrollArray([[["a"]], [["b"]]])</code> should return <code>["a", "b"]</code>.");'
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- text: '<code>steamrollArray([1, [2], [3, [[4]]]])</code>应该返回<code>[1, 2, 3, 4]</code> 。'
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testString: 'assert.deepEqual(steamrollArray([1, [2], [3, [[4]]]]), [1, 2, 3, 4], "<code>steamrollArray([1, [2], [3, [[4]]]])</code> should return <code>[1, 2, 3, 4]</code>.");'
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- text: '<code>steamrollArray([1, [], [3, [[4]]]])</code>应该返回<code>[1, 3, 4]</code> 。'
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testString: 'assert.deepEqual(steamrollArray([1, [], [3, [[4]]]]), [1, 3, 4], "<code>steamrollArray([1, [], [3, [[4]]]])</code> should return <code>[1, 3, 4]</code>.");'
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- text: '<code>steamrollArray([1, {}, [3, [[4]]]])</code>应返回<code>[1, {}, 3, 4]</code> 。'
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testString: 'assert.deepEqual(steamrollArray([1, {}, [3, [[4]]]]), [1, {}, 3, 4], "<code>steamrollArray([1, {}, [3, [[4]]]])</code> should return <code>[1, {}, 3, 4]</code>.");'
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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 steamrollArray(arr) {
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// I'm a steamroller, baby
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return arr;
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}
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steamrollArray([1, [2], [3, [[4]]]]);
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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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