Taro.showTabBarRedDot(option)
Displays the red dot 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 |
| 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 |
API Support
| API | WeChat Mini-Program | H5 | React Native |
|---|---|---|---|
| Taro.showTabBarRedDot | ✔️ | ✔️ | ✔️ |