Function quickIs

1.7/event.js:23–29

( elem, m )

		return quick;
	},
	quickIs = function( elem, m ) {
		return (
			(!m[1] || elem.nodeName.toLowerCase() === m[1]) &&
			(!m[2] || elem.id === m[2]) &&
			(!m[3] || m[3].test( elem.className ))
		);
	},
	hoverHack = function( events ) {
		return jQuery.event.special.hover ? events : events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
	};