js 鼠标滚动 禁用 启用

function disabledMouseWheel() { ???var div = document.getElementById(‘divid‘); ???if (div.addEventListener) { ???????div.addEventListener(‘DOMMouseScroll‘, scrollFunc, false); ???}//W3C ???div.onmousewheel = div.onmousewheel = scrollFunc;//IE/Opera/Chrome} function scrollFunc(evt) { ???evt = evt || window.event; ???if (evt.preventDefault) { ???????// Firefox ???????evt.preventDefault(); ???????evt.stopPropagation(); ???} else { ???????// IE ???????evt.cancelBubble = true; ???????evt.returnValue = false; ???} ???return false;} window.onload = disabledMouseWheel;