Problem Statement
How does the dependency array in useEffect work?
Explanation
React compares each dependency value on re-render. If any value changes, the effect re-runs. This helps control when side effects occur and avoid unnecessary work.
Mobile App Now AvailableMaster Interviews
Master Interviews
Anywhere, Anytime
Get the Preplance app for a seamless learning experience. Practice offline, get daily streaks, and stay ahead with real-time interview updates.
Get it on
Google Play
4.9/5 Rating on Store