Tips

Practical JavaScript and web development tips: short lessons and gotchas pulled from real projects.

Published on
June 26, 2026
The nullish coalescing operator (??) in JavaScript
What the double question mark (??) means in JavaScript: the nullish coalescing operator, how it differs from ||, and the ??= assignment shorthand.
javascript snippets tips
Published on
March 20, 2024
Understanding !! in JavaScript - A Simple Guide
A practical guide to what the double exclamation mark (!!) does in JavaScript, how it differs from Boolean() and the ?? operator, with real examples.
javascript tips