Issue #2901440 by valic: Doesn't on date fields that allow more than one value

js/drupal.single_datetime.js

@@ -37,12 +37,12 @@
   Drupal.behaviors.single_datetime = {
     attach: function (context, settings) {
 
+      // Setting the current language for the calendar.
+      var language = drupalSettings.path.currentLanguage;
+
       $(context).find('input[data-single-date-time]').once('datePicker').each(function () {
         var input = $(this);
 
-        // Setting the current language for the calendar.
-        var language = drupalSettings.path.currentLanguage;
-
         // Get widget type.
         var widgetType = input.data('singleDateTime');