Poker Evaluator

Evaluates a 5 card Poker hand.

by subskybox

HTML

<link rel="stylesheet" href="http://selfthinker.github.com/CSS-Playing-Cards/cards.css">
<link rel="stylesheet" href="http://selfthinker.github.com/CSS-Playing-Cards/cards-ie9.css">
<h1 class="skewed"><span>Poker Evaluator</span></h1>
<div><span><br/><br/><br/><br/>
 <input id="cardInput" type="text" placeholder="10♠ J♣ Q♥ K♦ A♠"
  pattern="((?:\s*)(10|[2-9]|[J|Q|K|A])[♠|♣|♥|♦](?:\s*)){5}" />
  <br/><br/></span>
</div>
<div id="output"><small>Use S,C,D,H to key in suits</small></div>
<div class="centered">
    <div class="playingCards twoColours faceImages"><br>
      <ul class="table">
        <li>
            <div id="card1" class="card rank-10 spades">
                <span class="rank">10</span>
                <span class="suit">&spades;</span>
            </div>
        </li>
        <li>
            <div id="card2" class="card rank-j spades">
                <span class="rank">J</span>
                <span class="suit">&spades;</span>
            </div>
        </li>
        <li>
            <div id="card3" class="card rank-q spades">
                <span class="rank">Q</span>
                <span class="suit">&spades;</span>
            </div>
        </li>
        <li>
            <div id="card4" class="card rank-k spades">
                <span class="rank">K</span>
                <span class="suit">&spades;</span>
            </div>
        </li>
        <li>
            <div id="card5" class="card rank-a spades">
                <span class="rank">A</span>
                <span class="suit">&spades;</span>
            </div>
        </li>
      </ul>
    </div>
</div>

CSS

/**
 * Styles for the main document
 *
 * @author   Pat Wilson <[email protected]>
 * @license  
 * @version  2012-10-31
 * @link     
 */

body {
    margin: 4em auto;
    font-family:"Calibri", Arial, serif;
}

small{
    font-size:12px;
    color: #666;
}

big{
    font-size:18px;
    color: #111;
}

div.clear {
    clear: both;
    height: 0;
    line-height: 0;
    font-size: 1px;
    visibility: hidden;
}
[required] {
border-color: #88a;
-webkit-box-shadow: 0 0 3px rgba(0, 0, 255, .5);
}
:invalid {
border-color: #e88;
-webkit-box-shadow: 0 0 5px rgba(255, 0, 0, .8);
}
html {
    background: #ffe;
    text-align: center;
}
.skewed {
    display: inline-block;
    font: 2em/1 impact, sans-serif;
    margin-top: 1em;
    position: relative;
    -webkit-transform: rotate(-10deg) skew(-10deg, 0);
       -moz-transform: rotate(-10deg) skew(-10deg, 0);
        -ms-transform: rotate(-10deg) skew(-10deg, 0);
         -o-transform: rotate(-10deg) skew(-10deg, 0);
            transform: rotate(-10deg) skew(-10deg, 0);
}
.skewed:after,
.skewed:before {
    background: #666;
    box-shadow: inset 0 0 0 .5em #666,
                inset 0 .7em 0 #666,
                inset 0 .9em 0 #888,
                inset 0 1.4em 0 #666,
                inset 0 1.6em 0 #888,
                inset 0 2.1em 0 #666,
                inset 0 2.3em 0 #888,
                inset 0 2.5em 0 #666;
    content: '';
    height: 3em;
    position: absolute;
    top: 0em;
    width: 3.5em;
    z-index: -1;
}
.skewed:after {
    border-radius: .25em 0 0 .25em;
    left: -2.5em;
}
.skewed:before {
    border-radius: 0 .25em .25em 0;
    right: -2.5em;
}
.skewed span {
    background: #666;
    box-shadow: 0 0 0 .2em #ffe;
    color: #ffe;
    padding: 1em;
    position: relative;
    text-shadow: 1px 2px 0 #666,
                 2px 3px 0 #888;
    text-transform: uppercase;
}
.centered {
    width:425px;
    margin:auto;
}

JavaScript

// Poker Hand Evaluator by Pat Wilson ©2012 (Chrome|IE8|IE9)

hands=["4 of a Kind", "Straight Flush", "Straight", "Flush", "High Card",
       "1 Pair", "2 Pair", "Royal Flush", "3 of a Kind", "Full House", "-Invalid-" ];

function calcIndex(cs,ss) {
    var p = Math.pow, v = 0.0, i, o;
    var f = (ss[0]|ss[1]|ss[2]|ss[3]|ss[4]);
    var s = (1<<(cs[0])|1<<(cs[1])|1<<(cs[2])|1<<(cs[3])|1<<(cs[4]));
    for (i=0, o=p(2,(cs[0]-2)*4); i<5; i++, o=p(2,(cs[i]-2)*4)) {v += (o?o:1)*(((v/o)&15)+1);}
    v = v % 15 + ((s>>Math.log(s&-s)/Math.LN2 == 31) || (s == 0x403c) ? -2 : 0);
    return (v - 1 - (((f & (f - 1)) === 0) ? 1 : 0) * ((s == 0x7c00) ? -5 : 1));
}
    
function showParsedCards(cs,ss) {
    var card, i;
    var suitMap = {"♠":"spades", "♣":"clubs", "♥":"hearts", "♦":"diams"};

    if (cs !== null && ss !== null) {
        if (cs.length == ss.length) {       
            for (i=0;i<5;i++) {
                card = document.getElementById("card"+(i+1));
                if (i < cs.length && cs.length !== 0) {
                    card.className = "card rank-" + cs[i].toLowerCase() + " " + suitMap[ss[i]];
                    card.getElementsByTagName("span")[0].innerHTML = cs[i];
                    card.getElementsByTagName("span")[1].innerHTML = ss[i];
                } else {
                    card.className = "card back";
                    card.getElementsByTagName("span")[0].innerHTML = "";
                    card.getElementsByTagName("span")[1].innerHTML = "";
                }
            }
        }
    } else {
        //Reset the cards
        for (i=0;i<5;i++) {
            card = document.getElementById("card"+(i+1));
            card.className = "card back";
            card.getElementsByTagName("span")[0].innerHTML = "";
            card.getElementsByTagName("span")[1].innerHTML = "";
        }
    }
    
    //Dynamically create the style names for the cards
    //Manipulating the cards in HTML
    //document.getElementById("card1").outerHTML =...