<script type="text/javascript" src="http://code.jquery.com/jquery-1.7.1.min.js"></script> <script type="text/javascript"> (function($) { var types = ['DOMMouseScroll', 'mousewheel']; $.event.special.mousewheel = { setup: function() { if ( this.addEventListener ) { for ( var i=types.length; i; ) { this.addEventListener( types[--i], handler, false ); } } else { this.onmousewheel = handler; } }, teardown: function() { if ( this.removeEventListener ) { for ( var i=types.length; i; ) { this.removeEventListener( types[--i], handler, false ); } } else { this.onmousewheel = null; } } }; $.fn.extend({ mousewheel: function(fn) { return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel"); }, unmousewheel: function(fn) { return this.unbind("mousewheel", fn); } }); function handler(event) { var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true, deltaX = 0, deltaY = 0; event = $.event.fix(orgEvent); event.type = "mousewheel"; // Old school scrollwheel delta if ( event.wheelDelta ) { delta = event.wheelDelta/120; } if ( event.detail ) { delta = -event.detail/3; } // New school multidimensional scroll (touchpads) deltas deltaY = delta; // Gecko if ( orgEvent.axis !== undefined && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) { deltaY = 0; deltaX = -1*delta; } // Webkit if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY/120; } if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = -1*orgEvent.wheelDeltaX/120; } // Add event and delta to the front of the arguments args.unshift(event, delta, deltaX, deltaY); return $.event.handle.apply(this, args); } })(jQuery); $(function(){ $('#dv').mousewheel(function(){alert(123)}); }) </script> <div style="height:1000px" id="dv">123</div>