javascript add event remove event

网上搜来的，看样子不错，记一笔。//------------------------------------ // heavily based on the Quirksmode addEvent contest winner, John Resig // addEvent function addEvent(obj,type,fn){ if(obj.addEventListener) obj.addEventListener(type,fn,false); else if(obj.attachEvent){ obj["e"+type+fn]=fn; obj[type+fn]=function(){obj["e"+type+fn](window.event);} obj.attachEvent("on"+type,obj[type+fn]); } } //------------------------------------ // removeEvent function removeEvent(obj,type,fn){ if(obj.removeEventListener) obj.removeEventListener(type,fn,false); else if(obj.detachEvent){ obj.detachEvent("on"+type,obj[type+fn]); obj[type+fn]=null; obj["e"+type+fn]=null; } }

var getXY = function() { // 判断是否是 IE if (document.documentElement.getBoundingClientRect) { // 注1 return function(el) { var box = el.getBoundingClientRect();>>>详细阅读

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