jquery select all checkboxes

Question

I have a series of checkboxes that are loaded 100 at a time via ajax.

I need this jquery to allow me to have a button when pushed check all on screen. If more are lo

Answer 1

I know I'm revisiting an old thread, but this page shows up as one of the top results in Google when this question is asked. I am revisiting this because in jQuery 1.6 and above, prop() should be used for "checked" status instead of attr() with true or false being passed. More info here.

For example, Henrick's code should now be:

$(function () {
    $('#selectall').toggle(
        function() {
            $('#friendslist .tf').prop('checked', true);
        },
        function() {
            $('#friendslist .tf').prop('checked', false);
        }
    );
});