[sanmihan]

cart = new Object();
$(document).ready(function() {
$('.cart-add').on('click', add);
function add() {
   var id = $(this).attr("data-id");
   var description = $(this).attr("data-description");
   var photo = $(this).attr("data-photo");
   var info = [];
   if (cart[id]!=undefined) {
     info = cart[id];//
     info[0]++;
   }
   else {info[0]=1;}
   info[1]=description;
   info[2]=photo;
   cart[id] = info;
}
  console.log(cart);
}
 
});