7. jquery取得目前時間轉成yyyy--MM-dd hh:mm:ss

  <script type="text/javascript">
    $(document).ready(function(){
      $("#Element_type").change(function () {
        if($('#Element_type').val()=='date'){
          var now = new Date();
          var dateToPrint = now.getFullYear() + '-' + ('0' + (now.getMonth() + 1)).slice(-2) + '-' + ('0' + now.getDate()).slice(-2) + ' ' + ('0' + (now.getHours())).slice(-2) + ':' + ('0' + now.getMinutes()).slice(-2) + ':' + ('0' + now.getSeconds()).slice(-2);
          $("#default_value").val(dateToPrint);
        }
        else{
          $("#default_value").val('<{$default_value}>');
        }
      })
    });
  </script>