diff --git a/script.js b/script.js
index be69dc51..e7a8dc68 100644
--- a/script.js
+++ b/script.js
@@ -10538,3 +10538,7 @@ window.tip = tip;
 $("#optionsContainer *").on("mouseout", function() {
   tooltip.innerHTML = tooltip.getAttribute("data-main");
 });
+
+ window.onbeforeunload = function() {
+  return "Are you sure you want to navigate away?";
+}