> For the complete documentation index, see [llms.txt](https://lodash.shujuwajue.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://lodash.shujuwajue.com/lang/clonedeep.md).

# \_.cloneDeep（数据的深克隆）

**语法：**

```javascript
_.cloneDeep(value)
```

**源代码链接：**[source](https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L11086)

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

**描述：**

这个方法类似[`_.clone`](http://www.css88.com/doc/lodash/4.16.1.html#clone)，除了它会递归克隆`value`

> 也叫深克隆

**开始版本：**1.0.0

**参数：**

* `value (*)`: 要深克隆的值。

**返回值：**

* `(*)`: 返回克隆后的值。

**例子：**

```javascript
var objects = [{ 'a': 1 }, { 'b': 2 }];

var deep = _.cloneDeep(objects);
console.log(deep[0] === objects[0]);
// => false
```