old_contents: 
  function $(selector, value){
  var call = selector;
  var self ={};
  var self.selecter = selector;
  
  
  var self.element = document.createElement(selector);
  self.element[value];
  }
  
new_contents: 
  function $(selector, value){
  var call = selector;
  var self ={};
  var self.selecter = selector;
  
  
  var self.element = document.createElement(selector);
  self.element[value];
  document.body.appendChild(self.element);
  }
  
subject: Update Gen.js