document.documentElement.scrollTop||document.body.scrollTop
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function getStyle(dom, styleName){
return dom.currentStyle?
dom.currentStyle[styleName]
getComputedStyle(dom)[styleName];
}
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window.innerHeight || document.documentElement.clientHeight
window.innerWidth || document.documentElement.clientWidth
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evt = evt || window.event;
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event.stopPropagation?
event.stopPropagation():event.cancelBubble=true;
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evt.preventDefault?evt.preventDefault():evt.returnValue=false;
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if(document.all){
dom.attactEvent(“onclick”, fn);
} else {
dom.addEventListener(“click”, fn);
}
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var t = event.target || event.srcElement;
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做者:wendy0818 来源:CSDN 原文:blog.csdn.net/wendy0818/a… 版权声明:本文为博主原创文章,转载请附上博文连接!dom