How to find an element or tag using Jquery

The HTML is here: <table class=”table”> <caption>My testing Table</caption> <tr> <td class=””><span>data-1</span></td> <td>data-2</td> </tr> <tr> <td>data-3</td> <td><span>data-4</span></td> </tr> </table> The Script is: // ONLINE JQUERY LIBRARY IS CONNECTED <script src=”https://code.jquery.com/jquery-1.10.2.js”></script> <script> $(document).ready(function() { // FINDS SPAN TAG IN CLASS TABLE AND CHANGE ITS CSS STYLE $(“.table”).find(“span”).css({“color”:”blue”,”background”:”lightpink”}); }); </script> For any reference visit: http://www.w3schools.com/jquery/traversing_find.asp