function addEvent(element, type, handler) { // 在此输入你的代码,实现预定功能 }
function addEvent(element, type, handler) { if(element.attachEvent) { element.attachEvent("on"+type,function(){handler.call(this)})
} else { element.addEventListener(type,handler,false) } }
function addEvent(element, type, handler) { if(addEventListener){ element.addEventListener(type,handler,false); }else{ element.attachEvent(type,handle) } }
addEvent('#id', 'click', function(){});
function addEvent(element, type, handler) { if(element.addEventListener){ element.addEventListener(type,handler,false); }else if(element.attachEvent){ element.attachEvent('on'+type,handler); }else{ element["on"+type]=handler; } }
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