From 221565d7be41f621cf81a4a521dd38031b8692b6 Mon Sep 17 00:00:00 2001
From: MANISH WALIA <manish1614.be20@chitkara.edu.in>
Date: Mon, 14 Oct 2024 22:06:25 +0530
Subject: [PATCH] Added 'use strict'; directive to Chapter 04.0 for code
 correctness

---
 chapters/ch04.0-logtar-our-logging-library.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/chapters/ch04.0-logtar-our-logging-library.md b/chapters/ch04.0-logtar-our-logging-library.md
index 258e33d..af225f0 100644
--- a/chapters/ch04.0-logtar-our-logging-library.md
+++ b/chapters/ch04.0-logtar-our-logging-library.md
@@ -340,6 +340,9 @@ module.exports = {
 Let's try to test this.
 
 ```js
+
+'use strict'; 
+
 new Logger("OK"); // throws error
 new Logger(LogLevel.Debug); // works fine
 new Logger(); // works fine