Bind an event handler to be fired when the mouse enters an element, or trigger that handler on an element.
Attach an event handler for all elements which match the current selector, now and in the future.
Attach a handler to an event for the elements. The handler is executed at most once per element per event type.
Get the value of a computed style property for the first element in the set of matched elements or set one or more CSS properties for every matched element.
The other DOM element involved in the event, if any.
Bind an event handler to be fired when the mouse leaves an element, or trigger that handler on an element.