Select all checkbox elements except disabled ones

Question

I want to select all checkbox elements expect disabled ones,

this is my html

Answer 1

    $('#chkSelectAll').click(function () {
        var checked_status = this.checked;
        //   alert(checked_status);
        $('div#item input[type=checkbox]').each(function () {
             if(!$(this).is(':disabled'){
                 this.checked = checked_status;
             }

        });
    })