Daily Software Tips & Tricks
Bite-sized knowledge to improve your coding skills daily.
Clean Up Your Null Checks with Optional Chaining
February 27, 2026
Tired of writing long conditional strings like if (user && user.profile && user.profile.name)? JavaScript’s optional chaining operator (?.) is a game changer. You can simply write user?.profile?.name. If any part of the chain is null or undefined, the whole expression safely returns undefined instead of throwing a "Cannot read property of undefined" error. It keeps your code concise and significantly more readable.