Extend from proto

extendFromProto.js

/* jshint esnext: true */
function Element(tipo) {
  this.element = document.createElement(tipo);
}

Element.prototype.destroy = function(){
  var parent = this.element.parentNode;
  parent.removeChild(this.element);
  this.element = null;
}
Element.prototype.html = function (){
  return this.element;
}

class Input extends Element {
  constructor(label) {
    super('input');
  }
}
var input = new Input();
document.body.appendChild(new Input().html())
input.destroy();