True or false: document.createElement adds a new element to the DOM code example

Example 1: create element javascript with id

var btn = document.createElement('div'); 
btn.setAttribute("id", "div1");

Example 2: js create element

var newDiv = document.createElement("div");
document.body.appendChild(newDiv);

Example 3: document create element

document.body.onload = addElement;

function addElement () { 
  // create a new div element 
  var newDiv = document.createElement("div"); 
  // and give it some content 
  var newContent = document.createTextNode("Hi there and greetings!"); 
  // add the text node to the newly created div
  newDiv.appendChild(newContent);  

  // add the newly created element and its content into the DOM 
  var currentDiv = document.getElementById("div1"); 
  document.body.insertBefore(newDiv, currentDiv); 
}

Example 4: js create tag

//create div
let div = document.createElement('div');
//create button
let button = document.createElement('button');