create element javascript

JavaScript
var btn = document.createElement('div'); 
btn.setAttribute("id", "div1");//create and append element
 var node = document.createElement("LI");                 // Create a <li> node

 var textnode = document.createTextNode("Water");         // Create a text node

 node.appendChild(textnode);                              // Append the text to <li>

 document.getElementById("myList").appendChild(node);     // Append <li> to <ul> with id="myList" var btn = document.createElement("BUTTON");   // Create a <button> element
btn.innerHTML = "CLICK ME";                   // Insert text
document.body.appendChild(btn);               // Append <button> to <body>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); 
}var element = document.createElement("div"); //Create div
document.body.appendChild(element); //Add to bottom of <body> tag var btn = document.createElement("BUTTON");
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