<script>

  var basket = [];

  function Pizza() {
    this.id = Math.random();
    this.name = document.getElementById('pizza-name').value || "Name";
    this.desc = document.getElementById('pizza-desc').value || "Desc";
    this.cost = document.getElementById('pizza-cost').value || Math.round(Math.random()*100)%30;
    this.count = 0;

    var elem = document.createElement("tr");

    var tdName = document.createElement("td");
    tdName.innerHTML = this.name;
    var tdDesc = document.createElement("td");
    tdDesc.innerHTML = this.desc;
    var tdCost = document.createElement("td");
    tdCost.innerHTML = this.cost;
    var tdCount = document.createElement("td");
    tdCount.innerHTML = this.count;
    tdCount.id = this.id;
    var btnAdd = document.createElement("td");
    btnAdd.innerHTML += "<button onclick='Add("+this.id+")'>Add</button>";
    btnAdd.innerHTML += "<button onclick='Remove("+this.id+")'>Remove</button>"

    elem.appendChild(tdName);
    elem.appendChild(tdDesc);
    elem.appendChild(tdCost);
    elem.appendChild(tdCount);
    elem.appendChild(btnAdd);

    document.getElementById('tbody').appendChild(elem);
  }

  function Add(id) {
    for (var i = 0; i < basket.length; i++) {
      if (basket[i].id == id)
      {
        basket[i].count++;
      }
    }
    Refresh();
  }

  function Remove(id) {
    for (var i = 0; i < basket.length; i++) {
      if (basket[i].id == id && basket[i].count>0)
      {
        basket[i].count--;
      }
    }
    Refresh();
  }

  function CreatePizza() {
    basket.push(new Pizza());
    document.getElementById('pizza-name').value = "";
    document.getElementById('pizza-desc').value = "";
    document.getElementById('pizza-cost').value = "";
  }

  function Refresh() {
    basket.forEach(function (item) {
      document.getElementById(item.id).innerHTML = item.count;
    });
  }

  window.onload = function () {

  };
</script>
<input id="pizza-name"><br>
<input id="pizza-desc"><br>
<input id="pizza-cost" type="number"><br>
<button id="add-pizza" onclick="CreatePizza()">Add neew pizza 2 system</button>
<h3>Basket</h3>
<table>
  <thead>
    <tr>
      <td>Name</td>
      <td>Desc</td>
      <td>Cost</td>
      <td>Count</td>
      <td>Controls</td>
    </tr>
  </thead>
  <tbody id="tbody">
  </tbody>
</table>