トランプ-場に出たカードのカウント用

$(function(){
  var ary =[
  ["🂡","🂢","🂣","🂤","🂥","🂦","🂧","🂨","🂩","🂪","🂫","🂬","🂭","🂮",],
  ["🂱","🂲","🂳","🂴","🂵","🂶","🂷","🂸","🂹","🂺","🂻","🂼","🂽","🂾",],
  ["🃁","🃂","🃃","🃄","🃅","🃆","🃇","🃈","🃉","🃊","🃋","🃌","🃍","🃎",],
  ["🃑","🃒","🃓","🃔","🃕","🃖","🃗","🃘","🃙","🃚","🃛","🃜","🃝","🃞",],
  ["♠","♡","♢","♣","♤","♥","♦","♧",],
];

  var w = window.innerWidth;
  var wrap = $('<div>').addClass('table');
  $('#demo').append(wrap);
  var text = $('#cards').text();
  //text = text.replace(/./img,'\0\n');
  var cards = text.split("\n");
  console.log(text);
  console.log(cards);
  suitTexts = [
    '',
    '♠スペードの',
    '♥ハートの',
    '♣クラブの',
    '♦ダイヤの',
  ]
  var j=0;
  var n=0;
  cards.shift();
  cards.forEach(function(v, i){
    if(i%13===0){
      j++;
      n=0;
    }
    var a = $('<a>').text(v);
    if(i<52){
      n=i+1 - (j-1)*13;
      console.log(n);
      var title = suitTexts[j] + n;
      a.attr({title:title});
    }
    if(i>12 && i< 26 || i> 38 && i<52 || i===56 || i===57){
      a.toggleClass('red');
    }
    a.on('click', function(){
      $(this).toggleClass('clicked');
    });
    wrap.append(a);
    if(w<640){
      if(n===6 || n===13){
        wrap.append($('<br>'));
      }
    }
  });
  var btn = $('<button>').text('reset');
  btn.on('click', function(){
    $('.table a').removeClass('clicked');
  });
  wrap.after(btn);

  $('#cards').hide();


});

#cards{
  font-size:7.5vw;
}
.table{
  user-select:none;
}
.table a{
  display:inline-block;
  height:15vh;
  line-height: 15vh;
  width:7.5vw;
  font-size:7.7vw;
  text-align:center;
  cursor:pointer;
  position:relative;
  top:0;
  left:0;
}

.table a:hover{
  background-color:#ccc;
}
.table a.clicked{
  opacity:0.1;
}
.table a.red{
  color:#f00;
}

button{
  height:8vh;
  width:80vw;
}
h2 a{
  font-size:18px;
}
@media (max-width: 640px) {
 .table a{
    width:12vw;
    font-size:12vw;
    height:9vh;
    line-height: 9vh;
  }
}

ページのソースを表示 : Ctrl+U , DevTools : F12

view-source:https://hi0a.com/demo/-js/js-game-playing-card/