Everything about null in JavaScript
Read OriginalThis article provides an in-depth exploration of the null value in JavaScript. It explains null as a primitive representing the intentional absence of an object, demonstrates how to check for it using strict equality, and discusses its behavior as a falsy value. The article also details the common 'typeof null' quirk, contrasts null with undefined, and examines the maintenance challenges and alternatives to using null extensively in code.
Comments
No comments yet
Be the first to share your thoughts!
Browser Extension
Get instant access to AllDevBlogs from your browser
Top of the Week
1
2
Using Browser Apis In React Practical Guide
Jivbcoop
•
2 votes
3
Better react-hook-form Smart Form Components
Maarten Hus
•
2 votes
4
Top picks — 2026 January
Paweł Grzybek
•
1 votes
5
In Praise of –dry-run
Henrik Warne
•
1 votes
6
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár
•
1 votes
7
Vibe coding your first iOS app
William Denniss
•
1 votes
8
AGI, ASI, A*I – Do we have all we need to get there?
John D. Cook
•
1 votes
9
Quoting Thariq Shihipar
Simon Willison
•
1 votes
10
Dew Drop – January 15, 2026 (#4583)
Alvin Ashcraft
•
1 votes