Datetime Picker Change Max Min DateTime

by Baranenko Nikolay

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/themes/smoothness/jquery-ui.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-ui-timepicker-addon/1.4.5/jquery-ui-timepicker-addon.js"></script>
   
   
   <div class="container">

        <div class="row text-center">

            <span>С</span>
            <input type="text" id="datetime_from"/>
       


            <span>По</span>
            <input type="text" id="datetime_to"/>


        </div>
        </div>
        <input type="submit" value="Получить дату" id="but_test" onclick="GetDateInfo();"/>  
      <input type="text" value="" id="result" name="result"/>

JavaScript

// обновление выбора даты
    function updateDateTime_from(value){
//    console.log   ($('#datetime_from').val(value));
        console.log("datetime_from :: "+document.getElementById("datetime_from").value);
//    document.getElementById("datetime_from").maxDate=document.getElementById("datetime_to").value;
    //    console.log("datetime_to :: "+document.getElementById("datetime_to").value);
    //    console.log(value);
    //    console.log("datetime_to minDate до:: "+$("#datetime_to").datetimepicker("option", "minDate"));
        $("#datetime_to").datetimepicker("option", "minDate", value);
        $("#datetime_to").datetimepicker("refresh");
     //   console.log("datetime_to minDate после:: "+$("#datetime_to").datetimepicker("option", "minDate"));
        // document.getElementById("datetime_from").
      //  console.log("datetime_to minDate:: "+document.getElementById("datetime_to").getAttribute("option","minDate"));
       // console.log("datetime_to minDate:: "+document.getElementById("datetime_to").getAttribute("minDate"));
    };
    // обновление выбора даты
    function updateDateTime_to(value){
//    console.log   ($('#datetime_from').val(value));
    //    console.log("datetime_from :: "+document.getElementById("datetime_from").value);
   //     console.log("datetime_to :: "+document.getElementById("datetime_to").value);
   //     console.log(value);
//        $("#datetime_from").datetimepicker("option", "maxDate", value);

      //  console.log("datetime_from maxDate до:: "+$("#datetime_from").datetimepicker("option", "maxDate"));
        $("#datetime_from").datetimepicker("option", "maxDate", value);
        $("#datetime_from").datetimepicker("refresh");
      //  console.log("datetime_from maxDate после:: "+$("#datetime_from").datetimepicker("option", "maxDate"));
    };
function getFormattedDate(date) {
    var day = date.getDate();
    var month = date.getMonth() + 1;
    var year = date.getFullYear().toString().slice(0);
    return day +...