The closed
read-only property of the
ReadableStreamDefaultReader
interface returns a promise that fulfills if
the stream becomes closed or the reader's lock is released, or rejects if the stream
errors.
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. |
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