WritableStreamDefaultWriter.releaseLock()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since June 2022.
WritableStreamDefaultWriter 接口的 releaseLock() 方法用于释放 writer 对相应流的锁定。释放锁后，writer 将不再处于锁定状态。如果释放锁时关联的流出错，writer 随后也会以同样的方式发生错误；此外，writer 将会关闭。
语法
js
releaseLock()
参数
无。
返回值
无（undefined）。
示例
js
const writableStream = new WritableStream({
write(chunk) {
...
},
close() {
...
},
abort(err) {
...
}
}, queuingStrategy);
...
const writer = writableStream.getWriter();
...
// release writer's lock on the stream when desired
writer.releaseLock();
规范
| Specification |
|---|
| Streams # ref-for-default-writer-release-lock② |