在线测试工具 | 千木教程

<html>
<head>
<style>
span
{
border:groove 2px;
padding:3px;
font-family:arial;
font-size:12px;
width:100px;
height:70px;
background-color:#c0c0c0;
position:relative;
top:-80px;
left:-10px;
}
</style>
<script type="text/javascript">
function showmenu(elmnt)
{
elmnt.style.top="-15px"
}
function hidemenu(elmnt)
{
elmnt.style.top="-80px"
}
</script>
</head>
<body>

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<a href="/js/index.php">JavaScript</a> <hr />
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</body>
</html>