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# \_.identity

**语法：**

```javascript
_.identity(value)
```

**源代码链接：**[source](https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L15479)

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

**描述：**

这个方法返回首个提供的参数。

**开始版本：**0.1.0

**参数：**

* `value (*)`: 任何值。

**返回值：**

* `(*)`: 返回 value.

**例子：**

```javascript
var object = { 'a': 1 };

console.log(_.identity(object) === object);
// => true
```