Jquery “select all” checkbox

Question

I am trying to select all checkboxes on a page once the \'select all\' checkbox is clicked and i am using jquery for this as you can see at the below link:

http://js

Answer 1

Use this...

$('#selectall').on('click', function() {
    $('.selectedId').attr('checked', $(this).is(":checked"));
});

An see this DEMO