JavaScript DHTML/Node Operation/getElementsByTagName
"getElementsByTagName()" Example
<source lang="html4strict">
<html> <body> <script language="JavaScript"> function function1() {
var m = document.getElementsByTagName("P");
alert(m.length);
} </script> <input type="button"
value="Get the number of p elements in this page"
onClick="function1();">
</body> </html>
</source>
