JS模拟抽奖序效果实现代码

<meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>js模拟抽奖效果</title> <style type="text/css"> .a1{ position:relative; font-family:verdana; font-size:20px; color:#888888; } </style> <table border="0" width="250" height="50"><tr valign="middle"> <td align="center"> <form name="form"> <input type="button" value="点此抽奖" onclick="lotto(),settimeout('cleartimeout(t)',3000)"> </form> <span id="layer1" class="a1">result</span> </td> </tr></table>
[ctrl+a 全选 注:引入外部js需再刷新一下页面才能执行]