jquery $函数在IE中返回不同的结果

$('.Schedule .Full input').each(function(i)
 {
        var controls = $('.Morning input, .MorningPart input, .Afternoon input, .AfternoonPart input', $(this).parents('.Schedule'));
        alert(controls.length + " Conflicting Controls\n"+
              $(this).parents('.Schedule').attr('id') + " Parent");
 });
$('.Schedule .Full input').each(function(i)
 {