CloseEvent.reason
The reason
read-only property of the CloseEvent
interface returns the WebSocket connection close reason the server gave for closing the connection; that is, a concise human-readable prose explanation for the closure.
Value
A string
.
Examples
The following example prints the value of reason
to the console.
WebSocket.onclose = function(event) {
console.log(event.reason);
};
Specifications
Specification |
---|
HTML Standard # dom-closeevent-reason-dev |
Browser compatibility
BCD tables only load in the browser
See also
- RFC 6455 (the WebSocket Protocol specification)