BluetoothCharacteristicProperties.read

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句法
规范
浏览器兼容性
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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 .

read 只读特性在 BluetoothCharacteristicProperties interface returns a boolean 也就是 true if the reading of the characteristic value is permitted.

句法

var aBoolean = BluetoothCharacteristicProperties.read;

值

A 布尔 .

规范

规范	状态	注释
Web Bluetooth The definition of 'read' 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
`read`	Chrome 56 56 ChromeOS and macOS only. 56 Disabled Linux and versions of Windows earlier than 10. Disabled From version 56: this feature is behind the `#enable-experimental-web-platform-features` preference (needs to be set to `enabled` ). To change preferences in Chrome, visit chrome://flags. 70 Windows 10.	Edge ≤79 ≤79 EdgeOS and macOS only. ≤79 Disabled Linux and versions of Windows earlier than 10. Disabled From version ≤79: this feature is behind the `#enable-experimental-web-platform-features` preference (needs to be set to `enabled` ). ≤79 Windows 10.	Firefox No	IE No	Opera Yes	Safari No	WebView Android No	Chrome Android 56	Firefox Android No	Opera Android Yes	Safari iOS No	Samsung Internet Android 6.0

图例

完整支持
不支持
实验。期望将来行为有所改变。

用户必须明确启用此特征。

元数据

最后修改： Jun 5, 2020

Web Bluetooth API
BluetoothCharacteristicProperties
特性
1. authenticatedSignedWrites
2. broadcast
3. indicate
4. notify
5. read
6. reliableWrite
7. writableAuxiliaries
8. write
9. writeWithoutResponse
Related pages for Bluetooth API

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句法

值

规范

浏览器兼容性

图例

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