CloseEvent: wasClean property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The wasClean
read-only property of the CloseEvent
interface returns true
if the connection closed cleanly.
Value
A boolean value. True if the connection closed cleanly, false otherwise.
Examples
The following example prints the value of wasClean
to the console.
js
WebSocket.onclose = (event) => {
console.log(event.wasClean);
};
Specifications
Specification |
---|
WebSockets # ref-for-dom-closeevent-wasclean② |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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wasClean |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.