Check if checkbox is checked with jQuery

Question

How can I check if a checkbox in a checkbox array is checked using the id of the checkbox array?

I am using the following code, but it always returns the count of ch

Answer 1

This is also an idea I use frequently:

var active = $('#modal-check-visible').prop("checked") ? 1 : 0 ;

If cheked, it'll return 1; otherwise it'll return 0.