ReadableStream.locked

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规范
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locked 只读特性在 ReadableStream interface returns whether or not the readable stream is locked to a reader .

句法

var locked = readableStream.locked;

值

A 布尔 indicating whether or not the readable stream is locked.

范例

const stream = new ReadableStream({
  ...
});
const reader = stream.getReader();
stream.locked
// should return true, as the stream has been locked to a reader

规范

规范	状态	注释
流 The definition of 'locked' in that specification.	实时标准	初始定义。

浏览器兼容性

The compatibility table on 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
`locked`	Chrome 43	Edge 14	Firefox 65 65 57 Disabled Disabled From version 57: this feature is behind the `dom.streams.enabled` preference (needs to be set to `true` ) 和 preference (needs to be set to ). To change preferences in Firefox, visit about:config.	IE No	Opera 30	Safari 10.1	WebView Android 43	Chrome Android 43	Firefox Android 65 65 57 Disabled Disabled From version 57: this feature is behind the `dom.streams.enabled` preference (needs to be set to `true` ) 和 preference (needs to be set to ). To change preferences in Firefox, visit about:config.	Opera Android 30	Safari iOS 10.3	Samsung Internet Android 4.0

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： Dec 21, 2019

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值

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