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.originalEvent.wheelDelta) { delta = event.originalEvent.wheelDelta / 120; }
if (event.originalEvent.detail) { delta = -event.originalEvent.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);
调用:
$(document).mousewheel(function (e, detail) {
}