阻止浏览器滚动条滚动

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function handler(e){ //这里必须加参数e，否则firefox不兼容
    e = e ? e : window.event;
    if(document.addEventListener){
        e.preventDefault();
    }else{
        e.returnValue = false;
    }
}
var mousewheelevt=(/Firefox/i.test(navigator.userAgent))?"DOMMouseScroll": "mousewheel"//FF doesn‘t recognize mousewheel as of FF3.x
if(document.attachEvent){//if IE (and Opera depending on user setting)
    document.attachEvent("on"+mousewheelevt, handler);
}else if(document.addEventListener){ //WC3 browsers
    document.addEventListener(mousewheelevt, handler, false);
}

阻止浏览器滚动条滚动

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原文地址：http://my.oschina.net/u/1992917/blog/399400