Taro.setTabBarBadge(option)
Adds text in the upper right corner of a tabBar item.
Type
(option: Option) => Promise<CallbackResult>
Parameters
Option
| Property | Type | Required | Description | 
|---|---|---|---|
| index | number | Yes | Specifies which item of tabBar, starting from the left | 
| text | string | Yes | The text to be displayed, which will be displayed as "..." if it is more than 4 characters. | 
| complete | (res: CallbackResult) => void | No | The callback function used when the API call completed (always executed whether the call succeeds or fails) | 
| fail | (res: CallbackResult) => void | No | The callback function for a failed API call | 
| success | (res: CallbackResult) => void | No | The callback function for a successful API call | 
Sample Code
Taro.setTabBarBadge({
  index: 0,
  text: '1'
})
API Support
| API | WeChat Mini-Program | H5 | React Native | 
|---|---|---|---|
| Taro.setTabBarBadge | ✔️ | ✔️ | ✔️ |