Registers an event listener in the global scope, which will be calledsynchronously whenever the event type is dispatched.

Dispatches an event in the global scope, synchronously invoking anyregistered event listeners for this event in the appropriate order. Returnsfalse if event is cancelable and at least one of the event handlers whichhandled this event called Event.preventDefault(). Otherwise it returns true.

Remove a previously registered event listener from the global scope

An event which takes place in the DOM.

EventTarget is a DOM interface implemented by objects that can receive eventsand may have listeners for them.

Events measuring progress of an underlying process, like an HTTP request(for an XMLHttpRequest, or the loading of the underlying resource of an, ,