<!DOCTYPE html> <html class='reftest-wait'> <head> <style> :-moz-submit-invalid { display: none; } </style> </head> <script> function onloadHandler() { document.getElementById('t').removeChild(document.forms[0]); document.documentElement.className = ''; } </script> <body onload='onloadHandler();'> <table id='t'> <form> <tr><td><input required></td></tr> <tr><td><input type='image'></td></tr> </form> </table> </body> </html>