Getting all selected checkboxes in an array

gistfile1.txt

<input type="checkbox" value="1" id="all"/>All
<input type="checkbox" value="2" id="m"/>Monday
<input type="checkbox" value="3" id="t"/>Tuesday

<div id="qq"></div> <button id="bb">Click</button>



var selected = new Array();
$(document).ready(function()
{
    $('#all').on("click",function () {
          $("input[type='checkbox']").not("#all").each(function() 
       {
           $(this).prop("checked",$("#all").is(":checked"));
                  
        });
        
    });
    
    $('#bb').on("click", function(){
        var selected = "";
    $('input[type=checkbox]').each(function () {
        selected += "(" + $(this).val() + "-" + (this.checked ? "checked" : "not checked") + ")";
});

        $('#qq').html(selected);
    });
});