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大神，帮我看看这段代码哪里错了

<!doctype html>

<html>

<head>

<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>

window.onload=function(){

var login_btn=document.getElementById('login'),

login_box=document.getElementById('login_box'),

close=document.getElementById('close');

var eventUntil={

addHandler:function(ele,type,handler){

if(ele.addEventListener){

ele.addEventListener(type,handler,false);

}

else if(ele.attachEvent){

ele.attachEvent('on'+type,handler);

}

else{

ele['on'+type]=handler

}

showLogin:function(login_box){

login_box.style.display='block';

}

hideLogin:function(login_box){

login_box.style.display='none';

}

eventUntil.addHandler(login_btn,'click',showLogin);

eventUntil.addHandler(close,'click',hideLogin);

</script>

</head>

<body>

</div>

</body>

</html>

宝慕林6972327

2016-07-31

源自：DOM事件探秘 3-3

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2 回答

宝慕林6972327 提问者
2016-07-31

<!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 src="js/java.js"></script>
  <script src="js/script.js"></script>
</head>
<body>
<div>亲，您好！<input type="button" value="登 录" id="login"></div>
<div id="login_box">
<p>用户登录</p><span id="close"></span>
</div>
</body>
</html>

这个是HTML的

var eventUntil={
          addHandler:function(ele,type,handler){
            if(ele.addEventListener){
              ele.addEventListener(type,handler,false);
            }
            else if(ele.attachEvent){
              ele.attachEvent('on'+type,handler);
            }
            else{
              ele['on'+type]=handler
            }
          }
          }

这个是java.js

window.onload=function(){alert("123")
	var login_btn=document.getElementById('login'),
      	    login_box=document.getElementById('login_box'),
      	    close=document.getElementById('close');
      	    eventUntil.addHandler(login_btn,'click',function(){
      	    	login_box.style.display='block';
      	    });
            eventUntil.addHandler(close,'click',function(){
            	login_box.style.display='none';
            });
        }

这个是script文件