这是 实验性技术
检查 浏览器兼容性表格 要小心谨慎在生产中使用这之前。

WritableStreamDefaultController 接口的 Streams API represents a controller allowing control of a WritableStream 's state. When constructing a WritableStream , the underlying sink is given a corresponding WritableStreamDefaultController instance to manipulate.

构造函数

None. WritableStreamDefaultController instances are created automatically during WritableStream construction.

特性

None.

方法

WritableStreamDefaultController.error()

Causes any future interactions with the associated stream to error.

范例

const writableStream = new WritableStream({
  start(controller) {
    // do stuff with controller
    // error stream if necessary
    controller.error('My stream is broken');
  },
  write(chunk, controller) {
    ...
  },
  close(controller) {
    ...
  },
  abort(err) {
    ...
  }
});
					

规范

规范 状态 注释

The definition of 'WritableStreamDefaultController' 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
WritableStreamDefaultController Chrome 58 Edge ≤18 Firefox 不支持 No IE ? Opera 45 Safari ? WebView Android 58 Chrome Android 58 Firefox Android 不支持 No Opera Android 43 Safari iOS ? Samsung Internet Android 7.0
error Chrome ? Edge 16 Firefox 不支持 No IE ? Opera ? Safari ? WebView Android ? Chrome Android ? Firefox Android 不支持 No Opera Android ? Safari iOS ? Samsung Internet Android ?

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

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

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