ReadableStreamDefaultReader.closed
The closed
read-only property of the
ReadableStreamDefaultReader
interface returns a
Promise
that fulfills when the stream closes or the reader's lock
is released, or rejects if the stream throws an error. This property enables you
to write code that responds to an end to the streaming process.
Syntax
var closed = readableStreamDefaultReader.closed;
Value
A Promise
.
Examples
In this snippet, a previously-created reader is queried to see if the stream has been closed. When it is closed, the promise fulfills and the message is logged to the console.
reader.closed.then(() => {
console.log('reader 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