让DIV实现抖动效果！

 

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JavaScript层抖动效果</title>
<style type="text/css">
#body{text-align:center;}
#test{width:200px;position:absolute;margin:10px auto;height:100px;border:2px dotted red;text-align:center}
</style>
</head>
<body>
<div style="margin:10px 200px">
    <div>
        <input type="button" value="~点这里让我抖抖吧~" onclick="nn.start()" /></div>
    <div>
        <input type="button" value="晃晕了，我不抖了！" onclick="nn.stop()" /></div>
    <div id="test">
        <br>
        </div>
</div>
<p>　</p>
<p>　</p>
</body>
</html>
<script type="text/javascript">
 var m=document.getElementById("test");
function SKclass (obj,Rate,speed) {
     var oL=obj.offsetLeft;
     var oT=obj.offsetTop;
     this.stop=null;
     this.oTime=null;
     var om=this;
     this.start=function(){
             if(parseInt(obj.style.left)==oL-2){
                obj.style.top=oT+2+"px";
                setTimeout(function(){obj.style.left=oL+2+"px"},Rate)
             }
             else{
                obj.style.top=oT-2+"px";
                setTimeout(function(){obj.style.left=oL-2+"px"},Rate)
            }
        this.oTime=setTimeout(function(){om.start()},speed);
     }
     this.stop=function(){
       clearTimeout(this.oTime);
     
     }
}
var nn=new SKclass(m,20,70);
</script>
</body>
</html>
posted on 2014-01-16 17:24  smallerpig  阅读(2146)  评论(0)  编辑  收藏  举报