Add this into your head section
<script type="text/javascript" src="includes/jquery-1.3.2.min.js"></script>
Add this into your body section
<table width="500" border="1" cellspacing="0" cellpadding="4"> <tr> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> <td> </td> </tr> </table> <p> <input value="First Column" /> <input id="secondColumn" value="Second Column" /> <input value="Third Column" /> <input value="Reset" /> </p> <script> $(function(){ // Change first column background color. $("#firstColumn").click(function(){ $("table tr td:first-child").css("background-color","#ff0000"); }); // Change second column background color. $("#secondColumn").click(function(){ $("table tr td:nth-child(2)").css("background-color","#ff0000"); }); // Change third column background color. $("#thirdColumn").click(function(){ $("table tr td:last-child").css("background-color","#ff0000"); }); // reset background color. $("#reset").click(function(){ $("table tr td").css("background-color","transparent"); }); }) </script>