Count the number of checked checkboxes in HTML

Question

So basically i want to count the number of checkboxes that are ticked. I get my code to the point where it counts them successfully, but I want to put in an alert that shows

Answer 1

try this using jquery

Method 1:

alert($('.checkbox_class_here :checked').size());

Method 2:

alert($('input[name=checkbox_name]').attr('checked'));

Method: 3

alert($(":checkbox:checked").length);