A CloseEvent is sent to clients using WebSockets when the connection is closed. This is delivered to the listener indicated by the WebSocket object's onclose attribute.
class CloseEvent | globals module | Bun
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CloseEventclass CloseEventReturns true or false depending on how event was initialized. True if event goes through its target's ancestors in reverse tree order, and false otherwise.
Returns true or false depending on how event was initialized. Its return value does not always carry meaning, but true can indicate that part of the operation during which event was dispatched, can be canceled by invoking the preventDefault() method.
Returns the WebSocket connection close code provided by the server.
Returns true or false depending on how event was initialized. True if event invokes listeners past a ShadowRoot node that is the root of its target, and false otherwise.
Returns the object whose event listener's callback is currently being invoked.
Returns true if preventDefault() was invoked successfully to indicate cancelation, and false otherwise.
Returns the event's phase, which is one of NONE, CAPTURING_PHASE, AT_TARGET, and BUBBLING_PHASE.
Returns true if event was dispatched by the user agent, and false otherwise.
Returns the WebSocket connection close reason provided by the server.
Returns the object to which event is dispatched (its target).
Returns the event's timestamp as the number of milliseconds measured relative to the time origin.
Returns the type of event, e.g. "click", "hashchange", or "submit".
Returns true if the connection closed cleanly; false otherwise.
Returns the invocation target objects of event's path (objects on which listeners will be invoked), except for any nodes in shadow trees of which the shadow root's mode is "closed" that are not reachable from event's currentTarget.
Sets the defaultPrevented property to true if cancelable is true.
Stops the invocation of event listeners after the current one completes.
This is not used in Node.js and is provided purely for completeness.
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- A CloseEvent is sent to clients using WebSockets when the connection is closed. This is delivered to the listener indicated by the WebSocket object