// reach into DOM and get the button, 

// input, and button

let button = document.getElementById("submit");

let newItem = document.getElementById("iteminput");

let theList = document.getElementById("thelist");

​

//Modify DOM by adding click to the button

button.addEventListener("click", function(event){

  //check if newItem value has data

  if (newItem.value){

    // turn text input value into HTML text node

    let textNode = document.createTextNode(newItem.value);

    //create an li DOM node to insert into the list

    let newListItem = document.createElement("li");

    //insert text node into new li node

    newListItem.appendChild(textNode);

    //insert li into the ul list

    theList.appendChild(newListItem);

    newItem.value = "";

  }

});