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• 构造函数
• 特性
• 规范
• 浏览器兼容性
• 相关话题

安全上下文
此特征只可用于 安全上下文 (HTTPS)，在某些或所有 支持浏览器 .

USBConfiguration 接口在 WebUSB API provides information about a particular configuration of a USB device and the interfaces that it supports.

构造函数

USBConfiguration.USBConfiguration()

创建新的 USBConfiguration object which contains information about the configuration on the provided USBDevice with the given configuration value.

特性

USBConfiguration.configurationValue 只读

Returns the configuration value of this configuration. This is equal to the bConfigurationValue field of the configuration descriptor provided by the device defining this configuration.

USBConfiguration.configurationName 只读

Returns the name provided by the device to describe this configuration. This is equal to the value of the string descriptor with the index provided in the iConfiguration field of the configuration descriptor defining this configuration.

USBConfiguration.interfaces 只读

Returns an array containing instances of the USBInterface describing each interface supported by this configuration.

规范

规范	状态	注释
WebUSB The definition of 'USBConfiguration' in that specification.	草案	初始定义。

浏览器兼容性

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
USBConfiguration	Chrome 61	Edge 79	Firefox No	IE No	Opera 48	Safari No	WebView Android No	Chrome Android 61	Firefox Android No	Opera Android 45	Safari iOS No	Samsung Internet Android 8.0
USBConfiguration() 构造函数	Chrome 61	Edge 79	Firefox No	IE No	Opera 48	Safari No	WebView Android No	Chrome Android 61	Firefox Android No	Opera Android 45	Safari iOS No	Samsung Internet Android 8.0
configurationName	Chrome 61	Edge 79	Firefox No	IE No	Opera 48	Safari No	WebView Android No	Chrome Android 61	Firefox Android No	Opera Android 45	Safari iOS No	Samsung Internet Android 8.0
configurationValue	Chrome 61	Edge 79	Firefox No	IE No	Opera 48	Safari No	WebView Android No	Chrome Android 61	Firefox Android No	Opera Android 45	Safari iOS No	Samsung Internet Android 8.0
interfaces	Chrome 61	Edge 79	Firefox No	IE No	Opera 48	Safari No	WebView Android No	Chrome Android 61	Firefox Android No	Opera Android 45	Safari iOS No	Samsung Internet Android 8.0

图例

完整支持

完整支持

不支持

不支持

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

元数据

• 最后修改： Jul 14, 2020