一个基于CSS+dIV的网页层，用JavaScript结合Input按钮进行控制，点击后显示或隐藏，网页上常用到的特效之一，实用性较强，相信对大家的前端设计有帮助。
<!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=utf-8" />
<title>层隐藏，层点开</title>
</head>
<body>
<div id="box" style="border:1px solid #000; height:300px; 300px;" ><a href='http://www.100sucai.com' target='_blank'>http://www.100sucai.com</a></div>
<input name="" type="button" value="点击隐藏" id="btn" onclick="btn()" style="position:absolute; left:320px; top:10px;">
</body>
<script type="text/javascript">
var btn1=document.getElementById('btn');
var box1=document.getElementById('box');
function btn(){ if(btn1.value=="点击隐藏"){box1.style.display='none';btn1.value="点击显示";
}else{box1.style.display='';btn1.value="点击隐藏";
}
}
</script>
</html>