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uni.canIUse(String)

Determine whether the application's API, callbacks, parameters, components, etc. are available in the current version.

Platform Difference Description

App	Web	微信小程序	支付宝小程序	百度小程序	抖音小程序、飞书小程序	QQ程序
√	√ (uni-app 3.4.13+)	√	√	√	√	√

String parameter description

Use ${API}.${method}.${param}.${options} or ${component}.${attribute}.${option} to call, for example:

• ${API} represents the API name
• ${method} represents the calling method, valid values are return, success, object, callback
• ${param} represents a parameter or return value
• ${options} represents the optional value of the parameter
• ${component} represents the component name
• ${attribute} represents component attributes
• ${option} represents the optional value of the component property

Example

uni.canIUse('getSystemInfoSync.return.screenWidth');
uni.canIUse('getSystemInfo.success.screenWidth');
uni.canIUse('showToast.object.image');
uni.canIUse('request.object.method.GET');

uni.canIUse('live-player');
uni.canIUse('text.selectable');
uni.canIUse('button.open-type.contact');

Tips

• App and web terminal do not support ${API}.${method}.${param}.${options} call, only ${API}