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抽奖和洗牌算法

May 26th, 2009
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  1. function playCard(cardType, cardNum){
  2.     var cards = [];
  3.     for(var i = 0; i < cardType.length; i++){
  4.         cards.push.apply(cards, new Array(cardNum[i]+1).join(cardType[i]).split(''));
  5.     }
  6.     for(var i = 0; i < 10; i++){  //可以多洗几次牌
  7.                cards.sort(function(){return Math.random()>0.5?1:-1});
  8.         }
  9.         return cards; //洗好的牌
  10. }
  11.  
  12. var cardType = ['A','B','C','D','E','F','G'];
  13. var cardNum = [28,24,20,15,7,5,1];
  14.  
  15. document.write(playCard(cardType, cardNum));

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