[Maxmaxmaximus3]

<script src="http://mychamber.ru/build/ui.js"></script>

<div controller="FRP">
  <button click="a++">add</button>
  {a} + {b} = {c}
</div>


<script>
  function FRP() {
    a = 2
    b = 3
    c = (a + b)
  }
</script>

круто?