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javascript 删除dom对象的事件函数代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>添加删除事件</title> <script type="text/javascript"> var EventUtil=new Object; //oTarget：目标；sEventType：事件名称；funName：事件触发的函数名； EventUtil.addEvent=function(oTarget,sEventType,funName){ //document.getElementById("dd").attachEvent if(oTarget.addEventListener){//for DOM; oTarget.addEventListener(sEventType,funName, false); }else if(oTarget.attachEvent){ oTarget.attachEvent("on"+sEventType,funName); }else{ oTarget["on"+sEventType]=funName; } }; EventUtil.removeEvent=function(oTarget,sEventType,funName){ //document.getElementById("dd").attachEvent if(oTarget.removeEventListener){//for DOM; oTarget.removeEventListener(sEventType,funName, false); }else if(oTarget.detachEvent){ oTarget.detachEvent("on"+sEventType,funName); }else{ oTarget["on"+sEventType]=null; } }; function removeClick(){ alert("click"); var oDiv=document.getElementById("odiv"); oDiv.style.cursor="auto"; EventUtil.removeEvent(oDiv,"click",removeClick); } //----多个函数绑定到window.onload上------// function addLoadEvent(func){ var oldonload=window.onload; if(typeof window.onload !="function"){ window.onload=func; }else{ window.onload=function(){ oldonload(); func(); } } } addLoadEvent(addClick); function addClick(){ var oDiv=document.getElementById("odiv"); oDiv.style.cursor="pointer"; EventUtil.addEvent(oDiv,"click",removeClick); } </script> </head> <body> <p>第一次点击黑色区域的时候弹出警告，并移除click事件，也就是第二次再点击的时候就没反应了</P><br><INPUT onclick=runEx('runcode') type=button value=运行代码 /><br> </span> </td> </tr> </table> <br> </div> <div id="st-right" class="col-lg-wide-25 col-xs-1 padding-0 hidden-xs" style="height:100%;"><br> <table width="300" border="0" cellspacing="5" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td> <div align="CENTER">技术文章快速查找</div> </td> 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