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javascript 随机抽奖程序代码

<html> 
<title>随机抽奖程序</title> 
<head><meta http-equiv=Content-Type content="text/html; charset=gb2312"> 
</head> 
<body> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" _ewebeditor_fake_value="%3Cscript%20type%3D%22text%2Fjavascript%22%3E%3C!--%20%0D%0A%0D%0Avar%20alldata%20%3D%20%22ASP%2CPHP%2CAJAX%2CASP.NET%2CCSHARP%2CVB.NET%2CDELPHI%2CVB%2CVC%2CJS%22%20%2F%2F%E6%8A%BD%E5%A5%96%E6%95%B0%E6%8D%AE%EF%BC%8C%E4%BB%A5%E9%80%97%E5%8F%B7%E5%88%86%E9%9A%94%20%0D%0Avar%20alldataarr%20%3D%20alldata.split(%22%2C%22)%20%0D%0Avar%20num%20%3D%20alldataarr.length-1%20%0D%0Avar%20timer%20%0D%0Afunction%20change()%7B%20document.getElementById(%22oknum%22).innerHTML%20%3D%20alldataarr%5BGetRnd(0%2Cnum)%5D%3B%20%0D%0A%7D%20%0D%0Afunction%20start()%7B%20%0D%0AclearInterval(timer)%3B%20%0D%0Atimer%20%3D%20setInterval('change()'%2C10)%3B%20%2F%2F%E9%9A%8F%E6%9C%BA%E6%95%B0%E6%8D%AE%E5%8F%98%E6%8D%A2%E9%80%9F%E5%BA%A6%EF%BC%8C%E8%B6%8A%E5%B0%8F%E5%8F%98%E6%8D%A2%E7%9A%84%E8%B6%8A%E5%BF%AB%20%0D%0A%7D%20%0D%0Afunction%20ok()%7B%20%0D%0AclearInterval(timer)%3B%20%0D%0Adocument.getElementById(%22showresult%22).value%3Ddocument.getElementById(%22oknum%22).innerText%3B%20%0D%0A%7D%20%0D%0Afunction%20GetRnd(min%2Cmax)%7B%20%0D%0Areturn%20parseInt(Math.random()*(max-min%2B1))%3B%20%0D%0A%7D%20%0D%0A%0D%0A%2F%2F%20--%3E%3C%2Fscript%3E">

<div id="oknum" name="oknum" >请单击开始抽奖</div> 
<button onclick="start()" accesskey="s">开始抽奖(<U>S</U>)</button> 
<button onclick="ok()" accesskey="o">停止(<U>O</U>)</button> 
<input type="text" id="showresult" value=""> 
</body> 
</html>

　　 [Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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