From 17e98e7fa9b5852a24761c5490328e8933c43cca Mon Sep 17 00:00:00 2001
From: haramjeong <04harams77@gmail.com>
Date: Sun, 21 Sep 2025 15:07:50 +0900
Subject: [PATCH] http: improve writeEarlyHints by avoiding for-of loop

---
 lib/_http_server.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/_http_server.js b/lib/_http_server.js
index 649990baaca483..f2817742aead4e 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -331,7 +331,9 @@ ServerResponse.prototype.writeEarlyHints = function writeEarlyHints(hints, cb) {
 
   head += 'Link: ' + link + '\r\n';
 
-  for (const key of ObjectKeys(hints)) {
+  const keys = ObjectKeys(hints);
+  for (let i = 0; i < keys.length; i++) {
+    const key = keys[i];
     if (key !== 'link') {
       head += key + ': ' + hints[key] + '\r\n';
     }