Get all tags from a page
<html> <head> <title>A Simple Page</title> <script language="JavaScript"> function findhead1() { var tag, tags; tags = "The tags in the page are:" for(i = 0; i < document.all.length; i++) { tag = document.all(i).tagName; tags = tags + "\r\n" + tag; } alert(tags); } </script> </head> <body onload="findhead1()"> <h1>Heading One</h1> </body> </html>