# \_.uniq（数组去重）

**语法：**

```javascript
_.uniq(array)
```

**源代码链接：**[source](https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L8390)

**npm包链接：**[npm package](https://www.npmjs.com/package/lodash.uniq)

**描述：**

创建一个去重后的`array`数组副本。使用了[`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)做等值比较。只有第一次出现的元素才会被保留。

**开始版本：**0.1.0

**参数：**

* `array (Array)`: 要检查的数组。

**返回值：**

* `(Array)`: 返回新的去重后的数组。

**例子：**

```javascript
_.uniq([2, 1, 2]);
// => [2, 1]
```


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