## snakeCase + [link](./snakeCase "Link to this entry.") + [source](https://github.com/lodash/lodash/blob/4.5.0正式版/lodash.src.js#L12477 "View in source.") + [npm](https://www.npmjs.com/package/lodash.snakecase "See the npm package.") ``` _.snakeCase([string='']) ``` 转换字符串为 [snake case](https://en.wikipedia.org/wiki/Snake_case) ### 参数 1. [string=''] (string) 要转换的字符串 ### 返回值 (string) 返回转换后的字符串 ### 示例 ``` _.snakeCase('Foo Bar'); // => 'foo_bar' _.snakeCase('fooBar'); // => 'foo_bar' _.snakeCase('--foo-bar'); // => 'foo_bar' ```