[tsigel]

<input type="text" class="name1" style="width: 500px">
<input type="text" class="name2" style="width: 500px">
<div></div>
  <script>
  var template = function (name1, name2) {
     return "trololololol " + name1 + " dsafdfdsgfds " + name2 + " fdsafdsa";
  }

   var inputs = document.querySelectorAll("input");
   var change = function () {
      document.querySelector("div").innerHTML = template(inputs[0].value, inputs[1].value);
   }
   inputs[0].addEventListener("change", change, true);
   inputs[1].addEventListener("change", change, true);
  </script>