<p>
   <button id="makelist" type="submit">Build List of Seasons   </button>
 </p>
 <div id="seasonslist1"> 
 </div>

In script element within head element (<script>):

function makeSeasonsList() {
  let ul_node = document.createElement("ul");

  /* Autumn */
  let li_node1 = document.createElement("li");
  let li_text1 = document.createTextNode("Autumn");
  li_node1.appendChild(li_text1);

  /* Winter */
  let li_node2 = document.createElement("li");
  let li_text2 = document.createTextNode("Winter");
  li_node2.appendChild(li_text2);

  /* Spring */
  let li_node3 = document.createElement("li");
  let li_text3 = document.createTextNode("Spring");
  li_node3.appendChild(li_text3);

  /* Summer */
  let li_node4 = document.createElement("li");
  let li_text4 = document.createTextNode("Summer");
  li_node4.appendChild(li_text4);

  /* Append the list items to the ul */
  ul_node.appendChild(li_node1);
  ul_node.appendChild(li_node2);
  ul_node.appendChild(li_node3);
  ul_node.appendChild(li_node4);

  /* Place on page */
  let container = document.getElementById("seasonslist1");
  container.appendChild(ul_node);
}

/* Wait for DOM to be loaded, then add the click listener
   to the button */
document.addEventListener('DOMContentLoaded',function(){
  document.getElementById('makelist').addEventListener('click', makeSeasonsList);
});