text:     /*
      * Simulate a click on 'Add person' button
      * when pressing Enter.
      *
      * Script from w3schools.com
      * 'https://www.w3schools.com/howto/howto_js_trigger_button_enter.asp'
      *
      */
  
  
  // Get the input field
  var input = document.getElementById("person-name");
  
  // Execute a function when the user releases a key on the keyboard
  input.addEventListener("keyup", function(event) {
      // Cancel the default action, if needed
      event.preventDefault();
      // Number 13 is the "Enter" key on the keyboard
      if (event.keyCode === 13) {
          // Trigger the button element with a click
          document.getElementById("btn-add-person").click();
      }
  });
  
  addEventListener("load", personController.firstRun);
  addEventListener("onDataChange", personView.render);
  