js禁用鼠標滾輪

function disabledMouseWheel() {
    if (document.addEventListener) {
        document.addEventListener('DOMMouseScroll', scrollFunc, false);
    }
    window.onmousewheel = document.onmousewheel = scrollFunc;
}
function scrollFunc(evt) {
    evt = evt || window.event;
    if (evt.preventDefault) {
        evt.preventDefault();
        evt.stopPropagation();
    }
    else {
        evt.cancelBubble = true;
        evt.returnValue = false;
    }
    return false;
}
window.onload=disabledMouseWheel;