效果图
代码html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>拖拽div</title>
<style type="text/css">
div{position:absolute;width:150px;height:150px;background-color:
}
</style>
<script type="text/javascript">
<!--
function drag(obj)
{if (typeof obj == "string") {var obj = document.getElementById(obj);obj.orig_index=obj.style.zIndex;//设置当前对象永远显示在最上层}obj.onmousedown=function (a){//鼠标按下this.style.cursor="move";//设置鼠标样式this.style.zIndex=1000;var d=document;if(!a) a=window.event;//按下时创建一个事件var x=a.clientX-document.body.scrollLeft-obj.offsetLeft;//x=鼠标相对于网页的x坐标-网页被卷去的宽-待移动对象的左外边距var y=a.clientY-document.body.scrollTop-obj.offsetTop;//y=鼠标相对于网页的y左边-网页被卷去的高-待移动对象的左上边距d.onmousemove=function(a){//鼠标移动if(!a) a=window.event;//移动时创建一个事件obj.style.left=a.clientX+document.body.scrollLeft-x;obj.style.top=a.clientY+document.body.scrollTop-y;}d.onmouseup=function (){//鼠标放开document.onmousemove=null;document.onmouseup = null;obj.style.cursor="normal";//设置放开的样式obj.style.zIndex=obj.style.zIndex;}}
}
-->
</script>
</head>
<body>
<div id="div1"> </div>
<div id="div2" style="left:170px; background-color:#408080"></div>
<script type="text/javascript">
<!--drag("div1");drag("div2");
-->
</script>
</body>
</html>
