old_contents: var bye = require('./bye.js');
  
  const element = document.createElement('h1');
  
  element.innerHTML = bye;
  
  return element;
  
new_contents: var component = require('./bye.js');
  
  const app = document.createElement('div');
  document.body.appendChild(app);
  app.appendChild(component());
  
subject: Update entry.js