Check and Uncheck Checkbox Dynamically with jQuery : bug?

Question

I made a script in order to control master & slave checkboxes (automatic checking and unchecking).

Here is my JS :

$(document).ready(function() {

           


        

Answer 1

i made some experiences , actually $(':checkbox').attr('checked',false); althought this could set the "checked" attribute , but it won't continuesly shows in the visual . and $(':checkbox').prop('checked', true); this one works perfectly! hope this could do some help .