Send same name multiple checkbox values via ajax

var checked = [];
$("input[name='userpages[]']:checked").each(function ()
{
    checked.push(parseInt($(this).val()));
});

var data = []

$('input[name="userpages[]"').each (function (index, element) {
    data[$(element).attr('id')] = $(element).val();
});
console.log(data);