Taro.canIUse(schema)

Determines whether the APIs, callbacks, parameters, and components of the Mini Program are available in the current version.

Reference

Type

(schema: string) => boolean

Parameters

The API is called using the ${API}.${method}.${param}.${options} or ${component}.${attribute}.${option} method.

Parameters Description

- ${API}: API name - ${method}: Call method. Available values: return, success, object, and callback. - ${param}: Parameter or return value - ${option}: Available values for the parameter - ${component}: Component name - ${attribute}: Component attribute - ${option}: Available values for the component attribute

Sample Code

Taro.canIUse('openBluetoothAdapter')
Taro.canIUse('getSystemInfoSync.return.screenWidth')
Taro.canIUse('getSystemInfo.success.screenWidth')
Taro.canIUse('showToast.object.image')
Taro.canIUse('onCompassChange.callback.direction')
Taro.canIUse('request.object.method.GET')
Taro.canIUse('live-player')
Taro.canIUse('text.selectable')
Taro.canIUse('button.open-type.contact')

API Support

API	WeChat Mini-Program	H5	React Native
Taro.canIUse	✔️