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Blackjack
Play even the classic game of Blackjack in JavaScript! (You might also know it as "21") The object of the game is to get the closest to 21. If you get higher than the dealer without going over, you win! Good luck, and don't gamble. ;-)
Score:
Dealer
Card(s):
Player
Card(s):
Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- Original: Mike McGrath (mike_mcgrath@lineone.net) --> <!-- Web Site: http://home.clara.net/mikem --> <!-- Begin var gameOver; var cardCount; function Shuffle(max){ var num=Math.random()*max; return Math.round(num)+1; } function getSuit(){ suit = Shuffle(4); if(suit == 1) return "Spades"; if(suit == 2) return "Clubs"; if(suit == 3) return "Diamonds"; else return "Hearts"; } function cardName(card){ if(card == 1) return "Ace"; if(card == 11) return "Jack"; if(card == 12) return "Queen"; if(card == 13) return "King"; return "" + card; } function cardValue(card,strWho){ if(card == 1) { if(strWho =="You" && document.display.you.value >10){ document.display.say2.value=document.display.say2.value+" Low"; return 1;} else return 11; } if(card > 10) return 10; return card; } function PickACard(strWho){ card = Shuffle(12); suit = getSuit(); if(strWho =="You") document.display.say2.value=(cardName(card) + " of " + suit); else document.display.say1.value=(cardName(card) + " of " + suit); return cardValue(card,strWho); } function NewHand(form){ if(gameOver !=0) {form.say1.value=("Hand in Play!"); form.say2.value=(""); return;} else {form.dealer.value = 0; form.you.value = 0; cardCount=0; form.dealer.value = eval(form.dealer.value) + PickACard("Dealer"); form.you.value = eval(form.you.value) + PickACard("You"); gameOver= -1; cardCount+=1;} } function Dealer(form){ if (gameOver ==0) {form.say1.value=("Deal the Cards!"); form.say2.value=(""); return;} else if(form.you.value<10) {form.say1.value=("Not Below Ten!"); form.say2.value=("Take a Hit!"); return;} else if (cardCount <2) {form.say1.value=("Minimum 2 Cards!"); form.say2.value=("Hit Again!"); return;} else while(form.dealer.value < 17) {form.dealer.value = eval(form.dealer.value) + PickACard("Dealer");} } function User(form){ if (gameOver ==0) {form.say1.value=("Deal the Cards!"); form.say2.value=(""); return;} else {cardCount+=1; form.say1.value=("You Get..."); form.you.value = eval(form.you.value) + PickACard("You");} if(form.you.value > 21) {form.say1.value=("You Busted!"); gameOver=0; form.numgames.value=eval(form.numgames.value)-1;} } function LookAtHands(form){ if (gameOver ==0 || form.you.value<10 || cardCount <2){return;} else if(form.dealer.value > 21) {form.say1.value=("House Busts!"); form.say2.value=("You Win! $$$$$$"); gameOver=0; form.numgames.value=eval(form.numgames.value)+1;} else if(form.you.value > form.dealer.value) {form.say1.value=("You Win!"); form.say2.value=("$$$$$$$$$$$$$$$"); gameOver=0; form.numgames.value=eval(form.numgames.value)+1;} else if(form.dealer.value == form.you.value) {form.say1.value=("Game Tied!"); form.say2.value=("Try Again!"); gameOver=0; form.numgames.value=eval(form.numgames.value)-1;} else {form.say1.value=("House Wins!"); form.say2.value=("Tough Luck!"); gameOver=0; form.numgames.value=eval(form.numgames.value)-1;} } function setBj(){ gameOver=0; cardCount=0; document.display.dealer.value=""; document.display.you.value=""; document.display.numgames.value="0"; document.display.say1.value=" Hit 'Deal'"; document.display.say2.value=" To Start!"; } // End --> </script>
Insert into <BODY>
<BODY OnLoad="setBj()"> <center> <form name="display"> <table bgcolor="#c0c0c0" border="1" cellspacing="0" cellpadding="3"> <tr> <td><center>Score:</center></td> <td><center>Dealer</center></td> <td><center><input type=text name="dealer" size="2"></center></td> <td><center>Card(s): <input type=text name="say1" size="18" value=""></center></td> </tr> <tr> <td><center><input type=text name="numgames" size="3" value="0"></center></td> <td><center>Player</center></td> <td><center><input type=text name="you" size="2"></center></td> <td><center>Card(s): <input type=text name="say2" size="18" value=""></center></td> </tr> <tr> <td><center><input type=button value="Deal" onClick="NewHand(this.form)"></center></td> <td colspan=3><center> <input type=button value="Stand" onClick="Dealer(this.form);LookAtHands(this.form);"> <input type=button value=" Hit " onClick="User(this.form)"></center></td></tr> </table> </form> </center>
Other Options
