From 03d5fab794bb4c2037bb2263703ef9551c1782c5 Mon Sep 17 00:00:00 2001
From: Pavel Djundik <xPaw@users.noreply.github.com>
Date: Wed, 18 Dec 2019 11:28:39 +0200
Subject: [PATCH] Fix beforeunload not working

---
 client/js/socket-events/configuration.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/client/js/socket-events/configuration.js b/client/js/socket-events/configuration.js
index 9c3e4eec..72b58f86 100644
--- a/client/js/socket-events/configuration.js
+++ b/client/js/socket-events/configuration.js
@@ -26,9 +26,9 @@ socket.once("configuration", function(data) {
 	}
 
 	if (document.body.classList.contains("public")) {
-		window.addEventListener(
-			"beforeunload",
-			() => "Are you sure you want to navigate away from this page?"
-		);
+		window.addEventListener("beforeunload", (e) => {
+			e.preventDefault();
+			e.returnValue = "Are you sure you want to navigate away from this page?";
+		});
 	}
 });