From dda05f45e7642275c41884c59b5cd562c9f28796 Mon Sep 17 00:00:00 2001
From: Azat Khuzhin <azat@libevent.org>
Date: Sat, 12 Nov 2022 18:11:08 +0100
Subject: [PATCH] sample/ws-chat.html: allow to open it via file:// protocol

---
 sample/ws-chat.html | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sample/ws-chat.html b/sample/ws-chat.html
index f4083f8046..1a39efa483 100644
--- a/sample/ws-chat.html
+++ b/sample/ws-chat.html
@@ -29,7 +29,11 @@
     };
 
     if (window["WebSocket"]) {
-        conn = new WebSocket("ws://" + document.location.host + ":8080/ws");
+        var host = document.location.host;
+        if (!host) { /// file:///
+            host = "localhost";
+        }
+        conn = new WebSocket("ws://" + host + ":8080/ws");
         conn.onclose = function (evt) {
             var item = document.createElement("div");
             item.innerHTML = "<b>Connection closed.</b>";