Home > Web Front-end > JS Tutorial > body text

js implements the dragging effect of div on the page

高洛峰
Release: 2017-02-08 17:24:29
Original
1174 people have browsed it

The example of this article describes the js implementation of div dragging effect on the page. Share it with everyone for your reference, the details are as follows:

<style type="text/css">
body {
 margin: 0px;
}
#div1 {
 display: none;
 position: absolute;
 z-index: 1000;
 height: 100%;
 width: 100%;
 background: #000000;
 filter:Alpha(opacity=30);
}
#div2 {
 display: none;
 position: absolute;
 height: 100%;
 width: 100%;
 padding-top: 10%;
 z-index: 1001;
}
#div3 {
 display: block;
 position: absolute;
 z-index: 999;
}
</style>
<script type="text/javascript">
//定义移动对象和移动坐标
var Mouse_Obj="none",_x,_y;
//拖动对象函数(自动)
document.onmousemove=function()
{
 if(Mouse_Obj!=="none")
 {
 document.getElementById(Mouse_Obj).style.left=_x+event.x;
 document.getElementById(Mouse_Obj).style.top=_y+event.y;
 event.returnValue=false;
 }
}
//停止拖动函数(自动)
document.onmouseup=function()
{
 Mouse_Obj="none";
}
//确定被拖动对象函数 o为被拖动对象
function m(o)
{
 Mouse_Obj=o;
 _x=parseInt(document.getElementById(Mouse_Obj).style.left)-event.x;
 _y=parseInt(document.getElementById(Mouse_Obj).style.top)-event.y;
}
</script>
<div id="div1"></div>
<div id="div2" onmousedown="m(this.id)" style="left: 0px;top: 0px;">
<table width="50%" border="0" cellpadding="3" cellspacing="1"
style="background: #ff7300;
position:static;filter:progid:DXImageTransform.Microsoft.DropShadow
(color=#666666,offX=4,offY=4,positives=true)" align="left">
 <tr style="cursor: move;">
  <td><font color="#FFFFFF">温馨提示:</font></td>
  <td align="right"><input type="button" value="x"
onClick="document.getElementById
(&#39;div1&#39;).style.display=&#39;none&#39;;document.getElementById
(&#39;div2&#39;).style.display=&#39;none&#39;;" style="cursor: hand;"></td>
 </tr>
 <tr>
  <td colspan="2" width="100%" bgcolor="#FFFFFF" height="150"
align="middle">欢迎访问 <a href="http://www.jb51.net">http://www.jb51.net</a></td>
 </tr>
</table>
</div>
<div id="div3"><input type="button" value="打开层"
onClick="document.getElementById
(&#39;div1&#39;).style.display=&#39;block&#39;;document.getElementById
(&#39;div2&#39;).style.display=&#39;block&#39;;"></div>
Copy after login

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

For more js related articles about implementing div dragging effect on the page, please pay attention to the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template