<!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>无标题文档</title>
<script language="javascript" type="text/javascript">
var flag;
function btnClick(flag)
{
if(flag=="btn1")
{
document.getElementById("test1").visible="false"; }
else if(flag=="btn2")
{
document.getElementById("test2").style.display="none";
document.getElementById("test2").style.display="";
} }
</script>
</head>
</head><body>
<form id="form1" runat="server">
<div id="test1" visible="true">
利用div的visibility可以控制div的显示和隐藏,但是隐藏后页面显示空白
</div>
<hr />
<div id="test2" style="display:block" >
设置div的display属性可以使div隐藏后释放占用的页面空间
</div>
<hr />
<input id="test1" type="button" value="visibility隐藏" onclick="btnClick('btn1')"/> <input id="test2" type="button" value="display隐藏" onclick="btnClick('btn2')"/>
</form>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script language="javascript" type="text/javascript">
var flag;
function btnClick(flag)
{
if(flag=="btn1")
{
document.getElementById("test1").visible="false"; }
else if(flag=="btn2")
{
document.getElementById("test2").style.display="none";
document.getElementById("test2").style.display="";
} }
</script>
</head>
</head><body>
<form id="form1" runat="server">
<div id="test1" visible="true">
利用div的visibility可以控制div的显示和隐藏,但是隐藏后页面显示空白
</div>
<hr />
<div id="test2" style="display:block" >
设置div的display属性可以使div隐藏后释放占用的页面空间
</div>
<hr />
<input id="test1" type="button" value="visibility隐藏" onclick="btnClick('btn1')"/> <input id="test2" type="button" value="display隐藏" onclick="btnClick('btn2')"/>
</form>
</body>
</html>
<script language="javascript" type="text/javascript">
var flag;
function btnClick(flag)
{ if(flag=="btn1")
{
document.getElementById("test1").style.visibility="hidden"; }
else if(flag=="btn2")
{
document.getElementById("test2").style.display="none";
} }
</script>