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# Prototype firstDescendant() Method

This method returns the first child that is an element. This is opposed to firstChild DOM property which will return any node.

## Syntax:

    element.firstDescendant();

## Return Value:

- It returns an HTML element

## Example:

    <html>
    <head>
    <title>Prototype examples</title>
    <script type="text/javascript"
       src="/javascript/prototype.js">
    </script>
    <script>

    function showResult(){
       desc = $('grandfather').firstDescendant();
       alert("First Descendant is : "
              + desc.nodeName + ':' + desc.innerHTML );

       child = $('grandfather').firstChild;
       alert("First Child is : " + child.toString() );
    }
    </script>
    </head>

    <body>

       <p>Click the button to see the result.</p>

       <div id="grandfather">This is grand father
          <div id="father"> This is father.
             <div id="kid">This is kid</div>
          </div>
       </div>

       <br />
       <input type="button" value="showResult"
                 onclick="showResult();"/>

    </body>
    </html>

To understand it in better way you can Try it yourself.

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