求一个点击出现居中的例子 点击某个按钮后, 出现一个完全居中的框 (例如300px * 400px大小), 在最前面/上面, 最好背景能稍变暗, 不要jquery的例子。有空的写一下,没空的告诉我个demo链接也行,谢谢谢谢! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <!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=gb2312" /> <title>弹出框</title> <style> * {margin:0;padding:0;font-size:12px;} html,body {height:100%;width:100%;} #content {background:#f8f8f8;padding:30px;height:100%;} #content a {font-size:30px;color:#369;font-weight:700;} #alert {border:1px solid #369;width:300px;height:150px;background:#e2ecf5;z-index:1000;position:absolute;display:none;} #alert h4 {height:20px;background:#369;color:#fff;padding:5px 0 0 5px;} #alert h4 span {float:left;} #alert h4 span#close {margin-left:210px;font-weight:500;cursor:pointer;} #alert p {padding:12px 0 0 30px;} #alert p input {width:120px;margin-left:20px;} #alert p input.myinp {border:1px solid #ccc;height:16px;} #alert p input.sub {width:60px;margin-left:30px;} </style></head><body> <div id="content"> <a href="#">注册</a> </div> <div id="alert"> <h4><span>现在注册</span><span id="close">关闭</span></h4> <p><label>用户名</label><input type="text" class="myinp" onmouseover="this.style.border='1px solid #f60'" onfoucs="this.style.border='1px solid #f60'" onblur="this.style.border='1px solid #ccc'" /></p> <p><label>密 码</label><input type="password" class="myinp" onmouseover="this.style.border='1px solid #f60'" onfoucs="this.style.border='1px solid #f60'" onblur="this.style.border='1px solid #ccc'" /></p> <p><input type="submit" value="注册" class="sub" /><input type="reset" value="重置" class="sub" /></p> </div> <script type="text/javascript"> var myAlert = document.getElementById("alert"); var reg = document.getElementById("content").getElementsByTagName("a")[0]; var mClose = document.getElementById("close"); reg.onclick = function() { myAlert.style.display = "block"; myAlert.style.position = "absolute"; myAlert.style.top = "50%"; myAlert.style.left = "50%"; myAlert.style.marginTop = "-75px"; myAlert.style.marginLeft = "-150px";mybg = document.createElement("div"); mybg.setAttribute("id","mybg"); mybg.style.background = "#000"; mybg.style.width = "100%"; mybg.style.height = "100%"; mybg.style.position = "absolute"; mybg.style.top = "0"; mybg.style.left = "0"; mybg.style.zIndex = "500"; mybg.style.opacity = "0.3"; mybg.style.filter = "Alpha(opacity=30)"; document.body.appendChild(mybg);document.body.style.overflow = "hidden"; }mClose.onclick = function() { myAlert.style.display = "none"; mybg.style.display = "none"; } </script> </body> </html> 自己写吧,滤镜,定位,大小,控制显示,over 求迅雷首页的动态JS代码!!!http://xiazai.xunlei.com/?id=604 js textarea 文本框内容改变的消息是什么?? js求助,高手的帮帮帮。。。急 急急急~~!!在线等。。。jsp高手请进。。。 2个函数的问题 如何预下载xml文件? 点击空白地方DIV消失 为什么IE下没有效果 document.all 是什么意思? 有没有组件,可以让pdf文档在网页上展现出来,并且可以编辑。 求一种JS菜单效果,内详 [百度分享]认知维度与API的可用性评估(2)
<!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=gb2312" />
<title>弹出框</title>
<style>
* {margin:0;padding:0;font-size:12px;}
html,body {height:100%;width:100%;}
#content {background:#f8f8f8;padding:30px;height:100%;}
#content a {font-size:30px;color:#369;font-weight:700;}
#alert {border:1px solid #369;width:300px;height:150px;background:#e2ecf5;z-index:1000;position:absolute;display:none;}
#alert h4 {height:20px;background:#369;color:#fff;padding:5px 0 0 5px;}
#alert h4 span {float:left;}
#alert h4 span#close {margin-left:210px;font-weight:500;cursor:pointer;}
#alert p {padding:12px 0 0 30px;}
#alert p input {width:120px;margin-left:20px;}
#alert p input.myinp {border:1px solid #ccc;height:16px;}
#alert p input.sub {width:60px;margin-left:30px;}
</style>
</head>
<body>
<div id="content">
<a href="#">注册</a>
</div>
<div id="alert">
<h4><span>现在注册</span><span id="close">关闭</span></h4>
<p><label>用户名</label><input type="text" class="myinp" onmouseover="this.style.border='1px solid #f60'" onfoucs="this.style.border='1px solid #f60'" onblur="this.style.border='1px solid #ccc'" /></p>
<p><label>密 码</label><input type="password" class="myinp" onmouseover="this.style.border='1px solid #f60'" onfoucs="this.style.border='1px solid #f60'" onblur="this.style.border='1px solid #ccc'" /></p>
<p><input type="submit" value="注册" class="sub" /><input type="reset" value="重置" class="sub" /></p>
</div>
<script type="text/javascript">
var myAlert = document.getElementById("alert");
var reg = document.getElementById("content").getElementsByTagName("a")[0];
var mClose = document.getElementById("close");
reg.onclick = function()
{
myAlert.style.display = "block";
myAlert.style.position = "absolute";
myAlert.style.top = "50%";
myAlert.style.left = "50%";
myAlert.style.marginTop = "-75px";
myAlert.style.marginLeft = "-150px";
mybg = document.createElement("div");
mybg.setAttribute("id","mybg");
mybg.style.background = "#000";
mybg.style.width = "100%";
mybg.style.height = "100%";
mybg.style.position = "absolute";
mybg.style.top = "0";
mybg.style.left = "0";
mybg.style.zIndex = "500";
mybg.style.opacity = "0.3";
mybg.style.filter = "Alpha(opacity=30)";
document.body.appendChild(mybg);
document.body.style.overflow = "hidden";
}
mClose.onclick = function()
{
myAlert.style.display = "none";
mybg.style.display = "none";
}
</script>
</body>
</html>