JS Lottery to achieve random lottery code effect

Source: Internet
Author: User
Tags min

  This article mainly introduces the JS random Lottery code effect, we refer to the use of  

Random extraction, simple code.       Code as follows:  <html>  <title> random Draw program </title>  <head><meta Http-equiv=content-type content= "text/html; charset=gb2312 ">  </head>  <body>  <script type=" Text/javascript ">  var AllData = "A,b,c,d,e"   var Alldataarr = Alldata.split (",");  var num = alldataarr.length-1;  var timer&nbs P function change ()   {  document.getElementById ("Oknum"). InnerHTML = Alldataarr[getrnd (0,num)]; }   function Start () {  clearinterval (timer);  timer = setinterval (' Change () ', ten); }  function Ok () {  clearinterval (timer);  document.getElementById ("Showresult"). Value=document.getelementbyid (" Oknum ") .innertext; }  function Getrnd (min,max) {  return parseint (Math.random () * (max-min+1)); }   </script>  <center>  <div id= "Oknum" name= "Oknum" > Please click Start </div>  < Button onclick= "Start ()" ACcesskey= "S" > Start </button>  <button onclick= "OK ()" accesskey= "O" > Stop </button>  Your choice is:   <input type= "text" id= "Showresult" value= "" >    </center>    </body>   </html>    
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