dat.GUI convert a field to a display instead of input

dat.GUI.convertToDisplay.js

dat.GUI.prototype.convertToDisplay = function(owner, property) {
  var field = this.__controllers.find(function(item){return item.property === property});
  var parent = field.domElement.parentElement;
  var value = owner[property];
  delete owner[property];
  Object.defineProperty(owner, property, {
    get: function() {
      return value;
    },
    set: function(newValue) {
      value = newValue;
      parent.innerText = newValue;
    }
  });
}

function Thing() {
  this.message = '';
}
var thing = new Thing();
var gui = new dat.GUI();
gui.add(thing, 'message');
gui.convertToDisplay(thing, 'message');
setInterval(function(){
  thing.message = Date.now();
},500);