CountQueuingStrategy.size()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2019年1月.
CountQueuingStrategy 接口的 size() 方法始终返回 1，因此队列的总大小是队列中所有分块的数量。
语法
js
size()
参数
无。
返回值
1。
示例
js
const queuingStrategy = new CountQueuingStrategy({ highWaterMark: 1 });
const writableStream = new WritableStream(
{
// Implement the sink
write(chunk) {
// …
},
close() {
// …
},
abort(err) {
console.log("Sink error:", err);
},
},
queuingStrategy,
);
const size = queuingStrategy.size();
规范
| Specification |
|---|
| Streams # ref-for-cqs-size② |
浏览器兼容性
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