USB - Web API 接口参考 编辑

这是一个实验中的功能
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WebUSB API 接口提供了从网页查找和连接USB设备的属性和方法

属性

None.

Event handlers

USB.onconnect

每当连接到先前配对的设备时，调用此事件处理器。

USB.ondisconnect

每当配对设备断开连接时，调用此事件处理器。

方法

USB.getDevices()

Returns a Promise that resolves with an array of USBDevice objects for paired attached devices.

USB.requestDevice()

Returns a Promise that resolves with an instance of USBDevice if the specified device is found. Calling this function triggers the user agent's pairing flow.

规范

Specification	Status	Comment
WebUSB USB	Draft	Initial definition.

Browser compatibility

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