Card.js

var Card = function (rank, suit) {
    this.rank = rank;
    this.suit = suit;
    this.getRank   = function () { return this.rank; };

    this.softValue = function () { 
        var result = '';
        switch (this.rank) {
        case 1: // Ace
            result = 11;
            break;
        case 11: case 12: case 13: // Face card
            result = 10;
            break;
        default:
            result = this.rank; // 2-10
        }
        return result;
    };

    this.hardValue = function () { 
        var result = '';
        switch (this.rank) {
        case 1: // Ace
            result = 1;
            break;
        case 11: case 12: case 13: // Face card
            result = 10;
            break;
        default:
            result = this.rank; // 2-10
        }
        return result;
    };
};