JS

//给页面绑定滑轮滚动事件

if (document.addEventListener) {
//webkit
document.addEventListener('mousewheel', scrollFunc, false);
//firefox
document.addEventListener('DOMMouseScroll', scrollFunc, false);

}else if(window.attachEvent){//IE
document.attachEvent('onmousewheel',scrollFunc);
}

var scrollFunc = function (e) {
 
        e = e || window.event;        
                    
        if (e.wheelDelta) {  //判断浏览器IE,谷歌滑轮事件             
            if (e.wheelDelta > 0) { //当滑轮向上滚动时
               // alert("滑轮向上滚动");
            }
            if (e.wheelDelta < 0) { //当滑轮向下滚动时
                //alert("滑轮向下滚动");
            }
        } else if (e.detail) {  //Firefox滑轮事件
            if (e.detail> 0) { //当滑轮向上滚动时
                //alert("滑轮向上滚动");     
            }
            if (e.detail< 0) { //当滑轮向下滚动时
                //alert("滑轮向下滚动");
            }
        }
    }

 

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