create element and append javascript code example

Example 1: add element to body javascript

var elem = document.createElement('div');
elem.style.cssText = 'position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000';
document.body.appendChild(elem);

Example 2: code for adding new elements in javascriipt js

<html> 
<head> 
<title>t1</title> 
<script type="text/javascript"> 
	function addNode() 
     {var newP = document.createElement("p"); 
	  var textNode = document.createTextNode(" This is a new text node"); 
	  newP.appendChild(textNode);
      document.getElementById("firstP").appendChild(newP); } 
</script> </head> 
<body> <p id="firstP">firstP<p> </body> 
</html>

Example 3: create and append element in javascript

//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);