javascript抖动元素的小例子

(编辑：jimmy 日期: 2026/3/1 浏览：2)

复制代码代码如下:
<!doctype html>
<html lang="zh">
<head>
     <meta charset="utf-8">
     <title>xxxxxx</title>
     <style>

     #control {
         height: 100px;
         width: 100%;
         background: gray;
     }

     </style>
     <script>
     function shake(e, onComplete, distance, interval)
     {
         if (typeof e === "string")
         {
             e = document.getElementById(e);
         } // end if
         distance = distance || 8;
         interval = interval || 800;

         var originalStyle = e.style.cssText;
         e.style.position = "relative";
         var start = (new Date()).getTime();

animate();

         function animate()
         {
             var now = (new Date()).getTime();
             var elapsed = now - start;
             var progress = elapsed / interval;
             if (progress < 1)
             {
                 var y = distance * Math.sin(Math.PI * progress * 4);
                 var x = distance * Math.cos(Math.PI * progress * 4);
                 e.style.left = x + "px";
                 e.style.top = y + "px";
                 console.log(e.style.cssText);
                 setTimeout(animate, Math.min(25, elapsed));
             } // end if
             else
             {
                 e.style.cssText = originalStyle;
                 if (onComplete)
                 {
                     onComplete(e);
                 } // end if

} // end else

} // end animate()

} // end shake()

</script>
</head>
<body>

</div>

</body>
</html>

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