Function getUserAgent

getUserAgent(): {
    browserName: string;
    browserVersion: string;
    osName: string;
    osVersion: string;
}
获取浏览器信息

Returns {
    browserName: string;
    browserVersion: string;
    osName: string;
    osVersion: string;
}
- browserName: string
- browserVersion: string
- osName: string
- osVersion: string
Example
```
getUserAgent(); /// { browserName: 'Chrome', browserVersion: '102.0.0.0', osName: 'Windows', osVersion: '10.0', deviceName: '' }
```