<!doctype?html>
<html>
<head>
????<meta?charset="UTF-8">
????<title>Document</title>
????<style>
?????*{margin:0;padding:0;}
?????.head{font-size:12px;padding:6px?0?0?10px;}
?????#login_box{width:300px;height:150px;background:#eee;
?????border:1px?solid?#ccc;position:absolute;left:50%;top:50%;margin-left:-150px;margin-top:-75px;display:none;}
?????#login_box?p{height:20px;border-bottom:1px?solid?#ccc;font-size:12px;padding:6px?0?0?5px;font-weight:bold;}
?????#close{width:14px;height:14px;background:url(close.png)?no-repeat;position:absolute;right:4px;top:6px;}
????</style>
????<script>
??????window.onload=function(){
??????????var?login_btn=document.getElementById('login'),
??????????????login_box=document.getElementById('login_box'),
??????????????close=document.getElementById('close');
??????????//?封裝添加事件監(jiān)聽(tīng)程序
????????
??????function?addEvent(ele,type,hander){
????????????????//?執(zhí)行代碼
????????????????if(ele.addEventListener){
????????????????????ele.addEventListener(type,hander);
????????????????}else?if(ele.attach){
????????????????????ele.attach("on"+type,hander)
????????????????}else{
????????????????????ele["on"+type]=hander;
????????????????}
????????????}
????????//?顯示登錄層函數(shù)
??????????function?showLogin(){
??????????????login_box.style.display="block";//?執(zhí)行代碼
????????}
????????//?隱藏登錄層函數(shù)
????????function?hideLogin(){
????????????login_box.style.display="none";?//?執(zhí)行代碼
????????}
????????
????????addEvent(login_btn,"click",showLogin);//點(diǎn)擊登錄按鈕顯示登錄層?
????????//?執(zhí)行代碼
????????addEvent(login_btn,"click",hideLogin);//點(diǎn)擊關(guān)閉按鈕隱藏登錄層
????????//?執(zhí)行代碼
??????}
????</script>
</head>
<body>
????<div>親，您好！<input?type="button"?value="登?錄"?id="login"?onclick="showLogin()"></div>
????<div?id="login_box">
????????<p>用戶登錄</p><span?id="close"></span>
????</div>
</body>
</html>
幫忙看看哪里錯(cuò)了啊
小白渣
2016-04-15 23:54:44
