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Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The closed
read-only property of the
WritableStreamDefaultWriter
interface returns a promise that fulfills if
the stream becomes closed or the writer's lock is released, or rejects if the stream
errors.
Syntax
var closed = writableStreamDefaultWriter.closed;
Value
A Promise
.
Examples
const writableStream = new WritableStream({
start(controller) {
},
write(chunk, controller) {
...
},
close(controller) {
...
},
abort(err) {
...
}
}, queuingStrategy);
...
const writer = writableStream.getWriter();
..
// check if the stream is closed
writer.closed.then(() => {
console.log('writer closed');
})
Specifications
Specification | Status | Comment |
---|---|---|
Streams The definition of 'closed' in that specification. |
Living Standard | Initial definition. |
Browser compatibility
BCD tables only load in the browser