flattenDepth
最后更新于：2022-04-01 23:57:51
## flattenDepth
+ [link](./flattenDepth "Link to this entry.")
+ [source](https://github.com/lodash/lodash/blob/4.5.0正式版/lodash.src.js#L5973 "View in source.")
+ [npm](https://www.npmjs.com/package/lodash.flattendepth "See the npm package.")
```
_.flattenDepth(array, [depth=1])
```
根据 `depth` 递归展平 `数组` 的层级
### 参数
1. array (Array)
需要展平的数组
2. [depth=1] (number)
展平的层级
### 返回值 (Array)
返回展平后的新数组
### 示例
```
var array = [1, [2, [3, [4]], 5]];
_.flattenDepth(array, 1);
// => [1, 2, [3, [4]], 5]
_.flattenDepth(array, 2);
// => [1, 2, 3, [4], 5]
```
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