JavaScript DHTML/Node Operation/specified
"specified" Example
<source lang="html4strict">
<html> <body> <button id="myButton"
onclick="alert(this.attributes["id"].specified);"> Specified Attributes
</button> </body> </html>
</source>
<source lang="html4strict">
<html> <body> <button id="myButton"
onclick="alert(this.attributes["id"].specified);"> Specified Attributes
</button> </body> </html>
</source>