upperFirst
最后更新于：2022-04-02 00:07:56
## upperFirst
+ [link](./upperFirst "Link to this entry.")
+ [source](https://github.com/lodash/lodash/blob/4.5.0正式版/lodash.src.js#L12268 "View in source.")
+ [npm](https://www.npmjs.com/package/lodash.upperfirst "See the npm package.")
```
_.upperFirst([string=''])
```
转换首字母为大写。
### 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
```
_.upperFirst('fred');
// => 'Fred'
_.upperFirst('FRED');
// => 'FRED'
```
';