Question:

Explain how the Node appendChild method works and give at least one example of its usage.

The hasChildNodes property is used to see if an element has children nodes it will return a boolean value.

 
 /*
   <ul>
       <li></li>
       <li></li>
       <li></li>
   </ul>

  */
 
  var ul = document.querySelector('ul');

  console.log(ul.hasChildNodes());  
  // returns true