jquery implements simple and practical pop-up layer effect code

jquery implements simple and practical pop-up layer effect code_jquery

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Release： 2016-05-16 15:36:24

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The example in this article describes how to implement a simple and practical pop-up layer effect with jquery. Share it with everyone for your reference. The details are as follows:

For now, I still like this pop-up layer that I modified, and I use this one in the project. A new version of the jquery plug-in has been introduced. The boxes and text can be defined by yourself, which is very convenient. I hope everyone will also like this pop-up layer. JavaScript also fully plays its role in this example, and it is also a good reference for learning JS.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/jquery-simple-alert-style-demo/

The specific code is as follows:

<!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>弹出层</title>
<script src="jquery-1.6.2.min.js" type="text/javascript"></script>
<style>
.black_overlay{
 display: none;
 position: absolute;
 top: 0%;
 left: 0%;
 width: 100%;
 height: 100%;
 background-color: black;
 z-index:1001;
 -moz-opacity: 0.8;
 opacity:.80;
 filter: alpha(opacity=80);
}
.white_content {
 display: none;
 position: absolute;
 top: 10%;
 left: 10%;
 width: 80%;
 height: 80%;
 border: 16px solid lightblue;
 background-color: white;
 z-index:1002;
 overflow: auto;
}
.white_content_small {
 display: none;
 position: absolute;
 top: 20%;
 left: 30%;
 width: 40%;
 height: 50%;
 border: 16px solid lightblue;
 background-color: white;
 z-index:1002;
 overflow: auto;
}
</style>
<script type="text/javascript">
//弹出隐藏层
function ShowDiv(show_div,bg_div){
 document.getElementById(show_div).style.display='block';
 document.getElementById(bg_div).style.display='block' ;
 var bgdiv = document.getElementById(bg_div);
 bgdiv.style.width = document.body.scrollWidth; 
 // bgdiv.style.height = $(document).height();
 $("#"+bg_div).height($(document).height());
};
//关闭弹出层
function CloseDiv(show_div,bg_div)
{
 document.getElementById(show_div).style.display='none';
 document.getElementById(bg_div).style.display='none';
};
</script>
</head>
<body>
<input id="Button1" type="button" value="点击弹出层" onclick="ShowDiv('MyDiv','fade')" />
<!--弹出层时背景层DIV-->
<div id="fade" class="black_overlay">
</div>
 <div id="MyDiv" class="white_content">
  <div style="text-align: right; cursor: default; height: 40px;">
   <span style="font-size: 16px;" onclick="CloseDiv('MyDiv','fade')">关闭</span>
  </div>
  目前来说，我还是喜欢这个自己改造的弹出层。自己在项目中也用的是这个。
 </div>
</body>
</html>

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I hope this article will be helpful to everyone’s jquery programming design.