Blackjack 2.8/5.0 (96 votes total) Rate: Select 1 - Terrible 2 - Poor 3 - Average 4 - Good 5 - Outstanding Description: Very simple JavaScript which simulates a game of Blackjack. Dealer has You have

JavaScript Functions:
<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 "Spades"; if(suit == 2) return "Clubs"; if(suit == 3) return "Diamonds"; 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) { 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("You busted!"); } } function LookAtHands(form) { if(form.dealer.value > 21) { alert("House busts! You win!"); } else if(form.you.value > form.dealer.value) { alert("You win!"); } else if(form.dealer.value == form.you.value) { alert("Push!"); } else { alert("House wins!"); } } //--> </SCRIPT>

HTML Script:
<FORM> <TABLE BORDER=3> <TR> <TD>Dealer has</TD> <TD><INPUT TYPE=TEXT NAME=dealer></TD> </TR> <TR> <TD>You have</TD> <TD><INPUT TYPE=TEXT NAME=you></TD> </TR> </TABLE> <P> <CENTER> <INPUT TYPE=BUTTON VALUE="Hit Me" onClick=User(this.form)> <INPUT TYPE=BUTTON VALUE="Stand" onClick="Dealer(this.form);LookAtHands(this.form);"> <INPUT TYPE=BUTTON VALUE="New Hand" onClick=NewHand(this.form)> </CENTER> </td> </tr> </table> </FORM>