13 lines
342 B
Markdown
13 lines
342 B
Markdown
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---
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title: Manipulate Arrays With unshift()
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localeTitle: 使用unshift操作数组（）
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---
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## 使用unshift操作数组（）
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当`push()`向元素的后面添加元素时， `unshift()`会将它们添加到前面。你所要做的就是：
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```javascript
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var arr = [2, 3, 4, 5];
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arr.unshift(1); // Now, the array has 1 in the front
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```
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