问jQuery (或javascript)验证日期范围

EN

if (yourDate > new Date('1/1/1753 12:00:00 AM') && 
    yourDate < new Date('12/31/9999 11:59:59 PM')) {
    // date is in your valid range
} else {
    // date is not in your valid range
}

$("#myform").validate({
  rules: {
    field: {
      required: true,
      date: true
    }
  }
});

$(function() {
        $( "#from" ).datepicker({
            defaultDate: "+1w",
            changeMonth: true,
            numberOfMonths: 3,
            onSelect: function( selectedDate ) {
                $( "#to" ).datepicker( "option", "minDate", selectedDate );
            }
        });
        $( "#to" ).datepicker({
            defaultDate: "+1w",
            changeMonth: true,
            numberOfMonths: 3,
            onSelect: function( selectedDate ) {
                $( "#from" ).datepicker( "option", "maxDate", selectedDate );
            }
        });
    });