How do I select all check box when I click on Select button using jQuery

Question

I have HTML page which have multiple check boxes and individually they can be checked. I have button select, so what I am suppose to do is. When I click on sel

Answer 1

This will definitely works.

$("#selectAll").click(function(){
    var checked = !$(this).data('checked');
    $('.btn-chk').prop('checked', checked);         
    $(this).data('checked', checked);
});