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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