jquery实现拖拽div

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script src="jquery-1.7.2.min.js" type="text/javascript" ></script>
<style type="text/css">
*{margin:0;padding:0;}
#div1{100px;height:100px;background:red;position:relative;}

</style>
<script>
$(function(){


var disX=0;
var disY=0;

$('div').mousedown(function(ev){


disX=ev.pageX-$(this).offset().left;
disY=ev.pageY-$(this).offset().top;


$(document).mousemove(function(ev){

$('div').css('left',ev.pageX-disX);
$('div').css('top',ev.pageY-disY);

});

$(document).mouseup(function(){

$(document).off();

});
return false;

});





});


</script>
</head>

<body>

<div id="div1"></div>

</body>
</html>

原文地址:https://www.cnblogs.com/ll-taj/p/5254441.html