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织梦DedeCMS视频教程买空间 租服务器 选网硕互联！ 无忧站长工具,百度权重一键全查!
21点（黑杰克),您可以先修改部分代码再运行.
<html> <head> <title></title> </head> <body> <script LANGUAGE="JavaScript"> <!-- Hide from non-JavaScript browsers function random(maxValue) { day = new Date(); hour = day.getHours(); min = day.getMinutes(); sec = day.getSeconds(); return (((hour + 1) * (min + 1) * sec) % maxValue) + 1; } function pickSuit() { suit = random(4); if(suit == 1) return "红桃"; if(suit == 2) return "草花"; if(suit == 3) return "方块"; return "红心"; } function cardName(card) { if(card == 1) return "Ace"; if(card == 11) return "侍从"; if(card == 12) return "皇后"; if(card == 13) return "国王"; return "" + card; } function cardValue(card) { if(card == 1) return 11; if(card > 10) return 10; return card; } function PickACard(strWho) { card = random(13); suit = pickSuit(); //alert(strWho + " picked the " + cardName(card) + " of " + suit); return cardValue(card); } function NewHand(form) { form.dealer.value = 0; form.you.value = 0; form.dealer.value = eval(form.dealer.value) + PickACard("Dealer"); form.you.value = eval(form.you.value) + PickACard("You"); } function Dealer(form) { while(form.dealer.value < 17) { form.dealer.value = eval(form.dealer.value) + PickACard("Dealer"); } } function User(form) { form.you.value = eval(form.you.value) + PickACard("You"); if(form.you.value > 21) { alert("你破了!"); } } function LookAtHands(form) { if(form.dealer.value > 21) { alert("对手破了，你胜出!"); } else if(form.you.value > form.dealer.value) { alert("你胜出了!"); } else if(form.dealer.value == form.you.value) { alert("平局!"); } else { alert("对家胜了!"); } } //--></script> <form> <table BORDER="3"> <tr> <td>对家有</td> <td><input TYPE="TEXT" NAME="dealer" size="20"></td> </tr> <tr> <td>你有</td> <td><input TYPE="TEXT" NAME="you" size="20"></td> </tr> </table> <div align="center"><center><p><input TYPE="BUTTON" VALUE="要牌" onClick="User(this.form)"> <input TYPE="BUTTON" VALUE="亮牌" onClick="Dealer(this.form);LookAtHands(this.form);"> <input TYPE="BUTTON" VALUE="再来一手" onClick="NewHand(this.form)"> </p> </center></div> </form> </body> </html>