From d79176a3c3ed492b140439e7dab5a72027e01caf Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Fri, 1 Mar 2019 00:36:38 +0800
Subject: [PATCH] events: improve for-loop

PR-URL: https://github.com/nodejs/node/pull/26354
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>
---
 lib/events.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/lib/events.js b/lib/events.js
index ea8f6e8504c250..1d253fdd33cea7 100644
--- a/lib/events.js
+++ b/lib/events.js
@@ -391,10 +391,7 @@ EventEmitter.prototype.removeAllListeners =
 
       // Emit removeListener for all listeners on all events
       if (arguments.length === 0) {
-        var keys = Object.keys(events);
-        var key;
-        for (i = 0; i < keys.length; ++i) {
-          key = keys[i];
+        for (const key of Object.keys(events)) {
           if (key === 'removeListener') continue;
           this.removeAllListeners(key);
         }