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# \_.sortedUniq（数组去重）

**语法：**

```javascript
_.sortedUniq(array)
```

**源代码链接：**[source](https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L8097)

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

**描述：**

这个方法类似[`_.uniq`](https://lodash.com/docs/4.17.10#uniq)，\_.sortedUniq它会优化排序数组。

> 先排序后数组去重

**开始版本：**4.0.0

**参数：**

* `array (Array)`: 要检查的数组。 

**返回值：**

* `(Array)`: 返回一个新的不重复的数组。

**例子：**

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