From 90a28920de3b3e7194e5fb0d431e4f709a1f6155 Mon Sep 17 00:00:00 2001
From: theanarkh <theratliter@gmail.com>
Date: Mon, 7 Nov 2022 01:45:23 +0800
Subject: [PATCH] doc: add more info for timer.setInterval

PR-URL: https://github.com/nodejs/node/pull/45232
Refs: https://github.com/nodejs/node/issues/45224
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
---
 doc/api/timers.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/api/timers.md b/doc/api/timers.md
index d054ad7d419c32..21d8213eb71763 100644
--- a/doc/api/timers.md
+++ b/doc/api/timers.md
@@ -442,6 +442,8 @@ added: v15.9.0
 -->
 
 Returns an async iterator that generates values in an interval of `delay` ms.
+If `ref` is `true`, you need to call `next()` of async iterator explicitly
+or implicitly to keep the event loop alive.
 
 * `delay` {number} The number of milliseconds to wait between iterations.
   **Default:** `1`.