在此页

• 构造函数
• 特性
• 规范
• 浏览器兼容性
• 相关话题

草案
此页面不完整。

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 .

USBOutTransferResult 接口在 WebUSB API provides the result from a call to the transferOut() and controlTransferOut() methods of the USBDevice interface. It represents the result from requesting a transfer of data from the USB host to the USB device.

构造函数

USBOutTransferResult.USBOutTransferResult()

创建新的 USBOutTransferResult object with the provided status and bytesWritten 字段。

特性

USBOutTransferResult.bytesWritten 只读

Returns the number of bytes from the transfer request that were sent to the device.

USBOutTransferResult.status 只读

Returns the status of the transfer request, one of:

• "ok" - The transfer was successful.
• "stall" - The device indicated an error by generating a stall condition on the endpoint. A stall on a bulk or interrupt endpoint must be cleared by calling clearHalt() before transferOut() can be called again.

规范

规范	状态	注释
WebUSB The definition of 'USBOutTransferResult' 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
USBOutTransferResult	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
USBOutTransferResult() 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
bytesWritten	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
status	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： Jun 5, 2020

相关话题

1. USBOutTransferResult