Check the length of NodeList

 
<!DOCTYPE HTML> 
<html> 
    <head> 
        <title>Example</title> 
    </head> 

    
    <body> 
        <div id="results">
           <code><code>
           <p></p>
        </div> 
        <script> 
            var resultsElement = document.getElementById("results"); 
            document.writeln(resultsElement.nodeType); 
            document.writeln(resultsElement.nodeName); 
            
            var count = resultsElement.childNodes.length; 
            document.writeln(count); 
            
            
        </script>  
    </body> 
</html>
Click to view the demo
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DOM Model:
  1. Document Object Model
  2. nodeName and nodeValue Properties
  3. Node Relationships:childNodes
  4. parentNode
  5. previousSibling and nextSibling properties
  6. lastChild and firstChild
  7. appendChild() adds a node to the end of the childNodes list
  8. insertBefore()
  9. ownerDocument property
  10. removeChild
  11. replaceChild()
  12. Working with Text
  13. Check the length of NodeList
  14. Convert NodeList to an Array
  15. html tag and its cooresponding JavaScript class