<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<div>
<span onmouseover="demo(‘idDiv1‘)">111</span>
<span> </span>
<span onmouseover="demo(‘idDiv2‘)">222</span>
</div>
<div>
<p id="idDiv1">qqqqqqqqqqqqqqqqqqqqqq</p>
<p id="idDiv2" style="display:none">wwwwwwwwwwwwwwwwwwwwww</p>
</div>
<script language="javascript">
function demo(obj){
for(var i=1;i<5;i++){
var id=document.getElementById(‘idDiv‘+i);
if(id!=null){
id.style.display="none";
}
}
var idDiv=document.getElementById(obj);
idDiv.style.display="block";
}
</script>
</body>
</html>
1 <html>
2 <head>
3 <meta charset="utf-8">
4 <title></title>
5 </head>
6
7 <body>
8 <div>
9 <span onmouseover="demo(‘idDiv1‘)">111</span>
10 <span> </span>
11 <span onmouseover="demo(‘idDiv2‘)">222</span>
12 </div>
13 <div>
14 <p id="idDiv1">qqqqqqqqqqqqqqqqqqqqqq</p>
15 <p id="idDiv2" style="display:none">wwwwwwwwwwwwwwwwwwwwww</p>
16 </div>
17 <script language="javascript">
18 //方法一
19 function demo(obj){
20 for(var i=1;i<5;i++){
21 var id=document.getElementById(‘idDiv‘+i);
22 if(id!=null){
23 id.style.display="none";
24 }
25 }
26 var idDiv=document.getElementById(obj);
27 idDiv.style.display="block";
28 }
29 //方法二 获取所有的ID,并比较是哪个id选中，则其他id不显示
30 </script>
31 </body>
32 </html>
时间： 2024-12-15 06:56:01