Question:
Create a page in a file named jqcheckbox.html where in to check whether check box is selected or checked. Indicate the number of check boxes checked.
Use a <div> tag with id as “result” to display the output.
Jquery Library – https://code.jquery.com/jquery-1.10.2.js
Sample of the page before checked

Sample of the page after checked

CODE:–
jqcheckbox.html
<html> <head> <script src="https://code.jquery.com/jquery-1.10.2.js"> </script> <script> $(document).ready(function(){ var $checkboxes=$('#a td input[type="checkbox"]'); $checkboxes.change(function(){ var ccc=$checkboxes.filter(':checked').lenght; $('span').text(ccc); }); }); </script> </head> <body> <form id="a"> <table> <tr> <td><input type="checkbox" name="color" value="Red">Red</td> <td><input type="checkbox" name="color" value="Green">Green</td> <td><input type="checkbox" name="color" value="Blue">Blue</td> <td><input type="checkbox" name="color" value="Black">Black</td> </tr> </table> </form> <div id="result"><span>0</span> are checked </div> </body> </html>