web api instance property
CloseEvent: wasClean property
Available in 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.
WebSocket.onclose = (event) => {
console.log(event.wasClean);
};
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.