From 9e752536b4e8e269a92765ad3a786737fbc133a0 Mon Sep 17 00:00:00 2001
From: Kumar Sidharth <k.sidharth1994@gmail.com>
Date: Thu, 1 Feb 2024 15:44:28 +0530
Subject: [PATCH] Correction: jsguide.html - Changed null to undefined

## This change is "Not important".
Please don't review this leaving your work behind.

## Change description
Keys not defined in an Object are undefined.
``` javascript
const o = {width: 42};
o.maxWidth === null // false
o.maxWidth === undefined // true
```
---
 jsguide.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jsguide.html b/jsguide.html
index 9aca653..d28bfdb 100644
--- a/jsguide.html
+++ b/jsguide.html
@@ -1413,7 +1413,7 @@ if (o.hasOwnProperty('maxWidth')) {
 
 <pre><code class="language-js prettyprint">/** @type {{width: number, maxWidth: (number|undefined)}} */
 const o = {width: 42};
-if (o.maxWidth != null) {
+if (o.maxWidth != undefined) {
   ...
 }
 </code></pre>