Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <script src="../../ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $(":empty").css("background-color","yellow"); }); </script> </head> <body> <h1>Welcome to My Web Page</h1> <table border="1"> <tr> <th>Company</th> <th></th> <th>Country</th> </tr> <tr> <td>Alfreds Futterkiste</td> <td>Maria Anders</td> <td></td> </tr> <tr> <td>Berglunds snabbköp</td> <td></td> <td>Sweden</td> </tr> <tr> <td>Centro comercial Moctezuma</td> <td>Francisco Chang</td> <td>Mexico</td> </tr> <tr> <td>Ernst Handel</td> <td></td> <td>Austria</td> </tr> <tr> <td></td> <td></td> <td>UK</td> </tr> <tr> <td>Königlich Essen</td> <td>Philip Cramer</td> <td>Germany</td> </tr> <tr> <td>Laughing Bacchus Winecellars</td> <td>Yoshi Tannamuri</td> <td>Canada</td> </tr> <tr> <td>Magazzini Alimentari Riuniti</td> <td>Giovanni Rovelli</td> <td>Italy</td> </tr> <tr> <td>North/South</td> <td>Simon Crowther</td> <td>UK</td> </tr> </table> </body> </html>
Result:
W3Schools.com - Try it yourself