'rows' Example
<html> <body> <table id=myTable border="1"> <tr><td>Row 1</td></tr> <tr><td>Row 2</td></tr> <tr><td>Row 3</td></tr> <tr><td>Row 4</td></tr> <tr><td>Row 5</td></tr> <tr><td>Row 6</td></tr> </table> <script language="JavaScript"> var m = document.getElementById("myTable").rows.length; alert(m); </script> </body> </html>