jQuery implements the function of automatically popping up the mask layer when opening a web page or sharing the function of popping up the mask layer by clicking on it-JS Tutorial-php.cn

jQuery implements the function of automatically popping up the mask layer when opening a web page or sharing the function of popping up the mask layer by clicking on it

小云云

Release： 2018-05-22 10:44:17

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This article mainly introduces jQuery's function of automatically popping up the mask layer when opening a web page or popping up the mask layer by clicking on it. It involves related operation skills of jQuery event response and window element attributes. Friends who need it can refer to it. I hope it can help everyone.

Pop-up layer: two ways

One is to automatically pop-up the layer when opening the web page
The second is to click to pop-up

<!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>
<title>www.jb51.net - jQuery简便实现遮罩层</title>
<meta charset="utf-8">
<style>
body {
font-family:Arial, Helvetica, sans-serif;
font-size:12px;
margin:0;
}
#main {
height:1800px;
padding-top:90px;
text-align:center;
}
#fullbg {
background-color:gray;
left:0;
opacity:0.8;
position:absolute;
top:0;
z-index:3;
filter:alpha(opacity=80);
-moz-opacity:0.5;
-khtml-opacity:0.5;
}
#dialog {
background-color:#fff;
border:5px solid rgba(0,0,0, 0.8);
height:400px;
left:50%;
margin:-200px 0 0 -200px;
padding:1px;
position:fixed !important; /* 浮动对话框 */
position:absolute;
top:50%;
width:400px;
z-index:5;
border-radius:5px;
display:none;
}
#dialog p {
margin:0 0 12px;
height:24px;
line-height:24px;
background:#CCCCCC;
}
#dialog p.close {
text-align:right;
padding-right:10px;
}
#dialog p.close a {
color:#fff;
text-decoration:none;
}
</style>
<script type="text/javascript" src="jquery/jquery-1.10.2.min.js"></script>
<script>
$(document).ready(function(){
 showBg();
});
</script>
<script type="text/javascript">
//显示灰色 jQuery 遮罩层
function showBg() {
  var bh = $("body").height();
  var bw = $("body").width();
  $("#fullbg").css({
    height:bh,
    width:bw,
    display:"block"
  });
 $("#dialog").show();
}
//关闭灰色 jQuery 遮罩
function closeBg() {
$("#fullbg,#dialog").hide();
}
</script>
</head>
<body>
<p id="main"><a href="javascript:showBg();" rel="external nofollow" >点击这里查看效果</a>
<p id="fullbg"></p>
<p id="dialog">
  <p class="close"><a href="#" rel="external nofollow" onclick="closeBg();">关闭</a></p>
  <p>正在加载，请稍后....</p>
</p>
</p>
</body>
</html>

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Operation effect:

Related recommendations:

Examples of how to prevent the page from scrolling after the mask layer

What is the js special effects mask layer

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