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Asked: 2026-05-24T03:22:15+00:00

I’m trying to write a script for a Black Jack game but have run

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I’m trying to write a script for a Black Jack game but have run into some problems. This is the code I’ve included in the head:

<script type="text/javascript">
var J = 10;
var Q = 10;
var K = 10;
var A = 11;
var deck = [1,2,3,4,5,6,7,8,9,10,J,Q,K,A];

function deal() {
var test = "hello";
var f_card = Math.floor(Math.random() * deck.length);
var s_card = Math.floor(Math.random() * deck.length);
var card1 = deck[f_card];
var card2 = deck[s_card];

if (card1 == J) {
    card1 = "Jack";
    }
else if (card1 == Q) {
    card1 = "Queen";
    }
else if (card1 == K) {
    card1 = "King"
    }
else if (card1 == A) {
    card1 = "Ace"
    }

if (card2 == J) {
    card2 = "Jack";
    }
else if (card2 == Q) {
    card2 = "Queen";
    }
else if (card2 == K) {
    card2 = "King"
    }
else if (card2 == A) {
    card2 = "Ace"
    }

var bucket = card1 + ", " + card2;
var res = f_card + s_card
document.getElementById("result").innerHTML = bucket;
document.getElementById("test").innerHTML = f_card + ", " + s_card;
if (res == 22) {
    alert("Blackjack!")
    }
}
</script>

The body reads as follows: 

<body>
<form>
    <input type="button" value ="Deal" onclick="deal()" /><br /><br />
</form>
<div id = "result">
</div><br />
<div id = "test">
</div>
</body>

I added the “test” div to see what was happening inside the deal, and it looks like “Jack” is being assigned to all array value above 9. How can I have the other if statements processed as well? Any help at all would be much appreciated.

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1 Answer

  1. Editorial Team

    Put your J,Q,K,A in quotes:

    var deck = [1,2,3,4,5,6,7,8,9,10,'J','Q','K','A'];

if (card1 == 'J') {
    card1 = "Jack";
    }

    etc..

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