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Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The CountQueuingStrategy()
constructor
creates and returns a CountQueuingStrategy
object instance.
Syntax
var countQueuingStrategy = new CountQueuingStrategy({highWaterMark});
Parameters
- {highWaterMark}
- An object containing a
highWaterMark
property. This is a non-negative integer defining the total number of chunks that can be contained in the internal queue before backpressure is applied.
Return value
An instance of the CountQueuingStrategy
object.
Exceptions
None.
Examples
const queuingStrategy = new CountQueuingStrategy({ highWaterMark: 1 });
const writableStream = new WritableStream({
// Implement the sink
write(chunk) {
...
},
close() {
...
},
abort(err) {
console.log("Sink error:", err);
}
}, queuingStrategy);
var size = queuingStrategy.size();
Specifications
Specification | Status | Comment |
---|---|---|
Streams The definition of 'CountQueuingStrategy()' in that specification. |
Living Standard | Initial definition. |
Browser compatibility
BCD tables only load in the browser