• js 实现拖动


    <!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>
    <style type="text/css"> 
    #main div{position:absolute;220px;height:150px;border:1px solid #999;}
    </style>
    <script type="text/javascript"> 
    var a;
    document.onmouseup=function(){if(!a)return;document.all?a.releaseCapture():window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);a="";};
    document.onmousemove=function (d){if(!a)return;if(!d)d=event;a.style.left=(d.clientX-b)+"px";a.style.top=(d.clientY-c)+"px";};
    function $(o,e){a=o;document.all?a.setCapture():window.captureEvents(Event.MOUSEMOVE);b=e.clientX-parseInt(a.style.left);c=e.clientY-parseInt(a.style.top);}
    </script>
    </head>
    <body>
    <div id="main">
    <div style="left:100px;top:100px;background:#fc9;" onmousedown="$(this,event)">1</div>
    <div style="left:400px;top:100px;background:#9cf;" onmousedown="$(this,event)">2</div>
    <div style="left:700px;top:100px;background:#f9c;" onmousedown="$(this,event)">3</div>
    <div style="left:100px;top:300px;background:#9fc;" onmousedown="$(this,event)">4</div>
    
    <div style="left:400px;top:300px;background:#c9f;" onmousedown="$(this,event)">5</div>
    <div style="left:700px;top:300px;background:#cf9;" onmousedown="$(this,event)">6</div>
    </div>
    </body>
    </html>
    
    
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  • 原文地址:https://www.cnblogs.com/group/p/1723141.html
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