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API
uni.canIUse(String)
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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 HarmonyOS Next 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 元服务 小红书小程序
√ HBuilder 4.23 √ (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、web 端暂不支持 ${API}.${method}.${param}.${options} 方式调用，只支持 ${API}
  • App、Web 端部分 API 实际未实现，具体结果以 API 页面实现表格为准
On This Page
uni.canIUse(String)