USB
WebUSB API (en-US) 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(en-US)-
每当连接到先前配对的设备时,调用此事件处理器。
USB.ondisconnect(en-US)-
每当配对设备断开连接时,调用此事件处理器。
方法
USB.getDevices()(en-US)-
Returns a
Promisethat resolves with an array ofUSBDevice(en-US) objects for paired attached devices. USB.requestDevice()(en-US)-
Returns a
Promisethat resolves with an instance ofUSBDevice(en-US) if the specified device is found. Calling this function triggers the user agent's pairing flow.
规范
| Specification |
|---|
| WebUSB API # usb |
Browser compatibility
BCD tables only load in the browser