2 files changed, 4 insertions, 3 deletions

diff --git a/js/logout.js b/js/logout.js
index b4b36be..f9c2543 100644
--- a/js/logout.js
+++ b/js/logout.js
@@ -1,4 +1,5 @@
-navigator.serviceWorker.controller.postMessage(JSON.stringify({action: "deletecaches"})); // deletes cache
+// navigator.serviceWorker.controller.postMessage(JSON.stringify({action: "deletecaches"})); // cache only sets on initialization, so it should not be deleted.
+// since sw.js is not cached, updates work.
 localforage.clear().then(() => { // deletes localforage
     window.location.replace("/index.html");
 });
diff --git a/js/timetable.js b/js/timetable.js
index 30ddffa..0f85f24 100644
--- a/js/timetable.js
+++ b/js/timetable.js
@@ -109,7 +109,7 @@ async function loadTimetable(date_object, force_refresh = false) {
 
     await Promise.all(promises_to_run);
 
-    if (force_refresh || timetable === null || !(date_string in timetable)) {
+    if (force_refresh || timetable == null || !(date_string in timetable)) {
         $.ajax({
             url: API_ENDPOINT,
             crossDomain: true,
@@ -294,4 +294,4 @@ document.addEventListener("DOMContentLoaded", () => {
     // Setup side modal
     const modals = document.querySelectorAll('.side-modal');
     M.Sidenav.init(modals, { edge: 'left', draggable: false });
-});
\ No newline at end of file
+});