> 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/castarray.md).

# \_.castArray（强转成数组）

**语法：**

```javascript
_.castArray(value)
```

**源代码链接：**[source](https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L10994)

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

**描述：**

如果`value`不是数组, 那么强制转为数组。

**开始版本：**4.4.0

**参数：**

* `value (*)`: 要处理的值。

**返回值：**

* `(Array)`: 返回转换后的数组。

**例子：**

```javascript
_.castArray(1);
// => [1]

_.castArray({ 'a': 1 });
// => [{ 'a': 1 }]

_.castArray('abc');
// => ['abc']

_.castArray(null);
// => [null]

_.castArray(undefined);
// => [undefined]

_.castArray();
// => []

var array = [1, 2, 3];
console.log(_.castArray(array) === array);
// => true
```