A boolean indicating whether the event bubbles up through the DOM or not.
A boolean indicating whether the bubbling of the event has been canceled or not.
A boolean indicating whether the event is cancelable.
Identifies the current target for the event, as the event traverses the DOM.
Returns the event's data.
Returns a boolean indicating whether or not event.preventDefault() was called on the event.
Indicates which phase of the event flow is currently being evaluated.
Indicates whether or not the event was initiated by the browser (after a user click for instance) or by a script (using an event creation method, like event.initEvent)
Represents, in server-sent events, the last event ID of the event source.
Returns the origin of the service worker's environment settings object.
It represents the MessagePort array being sent, if any.
Cancels the event if it is cancelable, without stopping further propagation of the event.
a reference to the service worker that sent the message or
For this particular event, no other listener will be called.
Stops the propagation of events further along in the DOM.
This property of event objects is the object the event was dispatched on.
Returns the time (in milliseconds since the epoch) at which the event was created.
The initEvent method is used to initialize the value of an event created using document.createEvent.
(Since version forever) Non-standard
(Since version forever) Non standard.