Cribbage Evaluator (5-7 cards)

Scores a Cribbage hand. Assumes the cut card is last.

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>Cribbage&nbsp;&nbsp;Evaluator</span></h1>
<div><span><br/><br/><br/><br/><br/><br/><br/>
 <input id="cardInput" size="30" type="text" placeholder="10♠ J♣ Q♥ K♦ A♠ [A♦ K♠]"
  pattern="((?:\s*)(10|[2-9]|[J|Q|K|A])[♠|♣|♥|♦](?:\s*)){5,7}" />
  <br/><br/></span>
</div>
<div id="output"><small>Use S,C,D,H to key in suits</small></div>
<div id="wrapper" 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>
        <li>
            <div id="card6" class="blank">
                <span class="rank"></span>
                <span class="suit"></span>
            </div>
        </li>
        <li>
            <div id="card7" class="blank">
                <span class="rank"></span>
                <span class="suit"></span>
            </div>
        </li>
    ...

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;
    margin-top: 2em;
}
input {
    font-size:18px;
}

JavaScript

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

//Calculates the score of a 5+ card Cribbage Hand. Assumes the cut card is last.
function rankCribbageHand(cs, ss) {
    var dupsArr = [0,0,0,0,0,0,0,0,0,0,0,0,0], ccs = [], L = cs.length, points = 0,  i, v, c, fc, as;
    for (i = 0; i < cs.length; i++) { ccs[i] = (cs[i]-1)%13+1; dupsArr[ccs[i]-1]++; } //Make Aces Low
    var runs = dupsArr.join("").match(/[^0]{3,}/g); //Runs
    for (i in runs) {if (i-0==i) {points+=runs[i].length*eval(runs[i].split('').join('*'));}}
    for (i=0;i < 13; i++) {points+= dupsArr[i] * (dupsArr[i]-1);} //Pairs
    for (i=3; i<Math.pow(2,L); i++, points += (fc==15) ? 2 : 0) { //Fifteen
        for (v=i, fc=c=0; c<L && v; fc += ((1<<c&i) ? Math.min(ccs[c],10) : 0), v>>=1,  c++) {}}
    for (i=1, as=true; i<L-1 && as; as = (ss[i] == ss[0]), i++){} //Flush
        if (as) {points += (ss[0] == ss[L-1]) ? L : L-1;}
    for (i=0; i<L-1; i++) { if (ccs[i] == 11 && ss[i] == ss[L-1]) { points++; break; }} //Nobs
    return points;
}
  
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<7;i++) {
                card = document.getElementById("card"+(i+1));
                if (i < 5) {                     
                    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 = "";
                        if...