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hasChildNodes (method)

Owning interface and usage:  
Node.hasChildNodes()

Member of these other interfaces :  
Attr, CDATASection, CharacterData, Comment, Document, DocumentFragment, DocumentType, Element, Entity, EntityReference, Notation, ProcessingInstruction, Text

Description:  
This is a convenience method to allow easy determination of whether a node has any children.

Parameters:  
none

Returns:  
Boolean -  true if the node has any children, false if the node has no children.

Exceptions:  
none


Example:
Text in the first DIV.
Some text in the second DIV.
Some text and element in the third DIV.
We can try another elements. It will be much more interesting.
Text in the last DIV.
Source: 
       <div id="doc">
         <div>
           Text in the first DIV.
         </div>
         <div id="DDD" class="secondClass">
           Some text in the second DIV.
         </div>
         <div class="thirdClass">
           Some text and <span id="SSS">element</span> in the third DIV.
         </div>
         <div class="fourthClass">
           We can try <i>another elements</i>.
           It will be much more <b>interesting</b>.
         </div>
         <div>
           Text in the last DIV.
         </div>
       </div>
JavaScript: 
  var main = document.getElementById('doc');
  var output1 = main.hasChildNodes();
  var output2 = main.firstChild.hasChildNodes();
Output:
desired your browser
white-spaces

preserved

by default 		output1: true
output2: false
white-spaces

not-preserved

by default 		output1: true
output2: true