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代码非常简洁且兼容多浏览器的拖动层实现代码_布局与层

时间：2021-07-01 10:21:17 帮助过：5人阅读

<!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>代码非常简洁且兼容多浏览器的拖动层</title> 
</head> 
<body> 
<div id="f" style="position: absolute; width: 500px; height: 350px; background-color: #ccc; top: 150px; left: 200px; z-index: 101; border: solid 1px blue;"> 
<div id="title" style="background-color: Blue; cursor: move; height: 20px; color: #fff;font-size: 13px; padding-top: 5px; padding-left: 10px;">这里是层标题jb51.net</div> 
</div> 
<script type="text/javascript"> 
var posX; 
var posY; 
fdiv = document.getElementById("f"); 
document.getElementById("title").onmousedown=function(e) 
{ 
if(!e) e = window.event; 
posX = e.clientX - parseInt(fdiv.style.left); 
posY = e.clientY - parseInt(fdiv.style.top); 
document.onmousemove = mousemove; 
} 
document.onmouseup = function() 
{ 
document.onmousemove = null; 
} 
function mousemove(ev) 
{ 
if(ev==null) ev = window.event; 
fdiv.style.left = (ev.clientX - posX) + "px"; 
fdiv.style.top = ev.clientY - posY + "px"; 
} 
</ script> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

代码非常简洁且兼容多浏览器的拖动层实现代码_布局与层

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