CloseEvent: CloseEvent() constructor

The CloseEvent() constructor creates a new CloseEvent object.


new CloseEvent(type)
new CloseEvent(type, options)



A string with the name of the event. It is case-sensitive and browsers always set it to close.

options Optional

An object that, in addition of the properties defined in Event(), has the following properties:

wasClean Optional

A boolean value indicating if the connection has been closed cleanly or not. It defaults to false.

code Optional

An integer representing the connection close code sent by the server. It defaults to 0.

reason Optional

A string containing a human-readable reason describing why the server closed the connection. It defaults to ''

Return value

A new CloseEvent object.


WebSockets Standard
# dom-closeevent-closeevent

Browser compatibility

BCD tables only load in the browser

See also

  • CloseEvent, the interface of the objects it constructs.