当前位置：文江博客知识库 en-US 文档 Web API CountQueuingStrategy

CountQueuingStrategy - Web APIs 编辑

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The CountQueuingStrategy interface of the Streams API provides a built-in chunk counting queuing strategy that can be used when constructing streams.

Constructor

CountQueuingStrategy(): Creates a new CountQueuingStrategy object instance.

Properties

None.

Methods

CountQueuingStrategy.size(): Returns 1.

Examples

const queueingStrategy = new CountQueuingStrategy({ highWaterMark: 1 });

const writableStream = new WritableStream({
  // Implement the sink
  write(chunk) {
    ...
  },
  close() {
    ...
  },
  abort(err) {
    console.log("Sink error:", err);
  }
}, queueingStrategy);

var size = queueingStrategy.size();