From e8629af678b7fe13f35dff5e197de93b4148a909 Mon Sep 17 00:00:00 2001
From: hellflame <hellflamedly@qq.com>
Date: Sun, 25 Apr 2021 00:20:22 +0800
Subject: [PATCH] improve echo example (#671)

---
 examples/echo/server.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/echo/server.go b/examples/echo/server.go
index 2f5305fa..61f3dd9b 100644
--- a/examples/echo/server.go
+++ b/examples/echo/server.go
@@ -69,6 +69,7 @@ window.addEventListener("load", function(evt) {
         var d = document.createElement("div");
         d.textContent = message;
         output.appendChild(d);
+        output.scroll(0, output.scrollHeight);
     };
 
     document.getElementById("open").onclick = function(evt) {
@@ -126,7 +127,7 @@ You can change the message and send multiple times.
 <button id="send">Send</button>
 </form>
 </td><td valign="top" width="50%">
-<div id="output"></div>
+<div id="output" style="max-height: 70vh;overflow-y: scroll;"></div>
 </td></tr></table>
 </body>
 </html>