[1.9.x] Fixed #25845 -- Fixed incorrect timezone warnings in custom admin templates.

Backport of 9af40f5df13801ffadcc5ded7440e4616123959f from master

1 files changed, 2 insertions, 2 deletions

diff --git a/django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js b/django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js
index d0acc23bb6..bc7e1879e3 100644
--- a/django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js
+++ b/django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js
@@ -21,7 +21,7 @@
         init: function() {
             var body = document.getElementsByTagName('body')[0];
             var serverOffset = body.getAttribute('data-admin-utc-offset');
-            if (serverOffset !== undefined) {
+            if (serverOffset) {
                 var localOffset = new Date().getTimezoneOffset() * -60;
                 DateTimeShortcuts.timezoneOffset = localOffset - serverOffset;
             }
@@ -43,7 +43,7 @@
         now: function() {
             var body = document.getElementsByTagName('body')[0];
             var serverOffset = body.getAttribute('data-admin-utc-offset');
-            if (serverOffset !== undefined) {
+            if (serverOffset) {
                 var localNow = new Date();
                 var localOffset = localNow.getTimezoneOffset() * -60;
                 localNow.setTime(localNow.getTime() + 1000 * (serverOffset - localOffset));