Event methods

To react to user behavior, we need to register our handlers using these event methods. Note that many DOM events only apply to certain element types; these subtleties are not covered here. Event methods are discussed in detail in Chapter 3, Handling Events.

Binding

Event method	Description
.ready(handler)	Binds handler to be called when the DOM and CSS are fully loaded.
.on(type, [selector], [data], handler)	Binds handler to be called when the given type of event is sent to the element. If selector is provided, performs event delegation.
.on(events, [selector], [data])	Binds multiple handlers for events as specified in the events object parameter.
.off(type, [selector], [handler])	Removes bindings on the element.
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