title: how to add 30 minutes in Date Time in Jquery?
body: <p>i have mm-dd-YYYY H:i Date format, and i want to add 30 minutes in selected Date Time.</p>
  
  <pre><code>function SetEndDate(start_date){ // start_date = "05-25-2017 05:00"
          var duration     = '30';
          var end_date_tmp = new Date(start_date);
  
          end_date_tmp.setMinutes(duration);
          $('#end_date').val(end_date_tmp);
  }
  </code></pre>
  
  <p>it gives Invalid Date Error.</p>