如何在更改日期时将值从datepicker传递到php代码

Question

How to pass value from datepicker to php code only onchange to use this value for comparing data in query. datepicker send it to varible as $_get or $_post but without using any button. only onchange datepicker code:

<input type = "text" name = "datepicker"  id="datepicker" class="form-control" />
    <script>
  $(function() {
     $("#orderdatepicker").datepicker({
    dateFormat: "mm-dd-yy",
    }).datepicker("setDate", new Date());
    });

 </script>

Answer 1

It can be done using ajax (use it with javascript or jquery)