WritableStream.locked

WritableStream 接口的只读属性 locked 返回一个布尔值，表示 WritableStream 是否锁定到一个 writer。

值

一个布尔值，表示可写流是否已锁定。

示例

js

const writableStream = new WritableStream({
  write(chunk) {
    ...
  },
  close() {
    ...
  },
  abort(err) {
    ...
  }
}, queuingStrategy);
...
const writer = writableStream.getWriter();
writableStream.locked
// should return true, as the stream has been locked to a writer

规范

Specification
Streams Standard
# ref-for-ws-locked②

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