Deprecate jQuery based Datepicker

see #5974

diff --git a/wcfsetup/install/files/js/WCF.js b/wcfsetup/install/files/js/WCF.js
index 5aabd2412eaf256b7a205617a8e4f280482ad07b..07751b765dfad7810449b44799545f641002744b 100755 (executable)
--- a/wcfsetup/install/files/js/WCF.js
+++ b/wcfsetup/install/files/js/WCF.js
@@ -6390,6 +6390,9 @@ $.widget('ui.wcfSlideshow', {
        }
 });
 
+/**
+ * @deprecated 6.2 Use `WoltLabSuite/Core/Date/Picker` instead.
+ */
 jQuery.fn.extend({
        datepicker: function(method) {
                var element = this[0], parameters = Array.prototype.slice.call(arguments, 1);