React JS 19 tutorial in Hindi 2026 - Why React State Doesn’t Update Immediately? (Most Asked Interview Question ) #reactinterview

In this short video we discuss one of the most important React interview questions: “Why doesn’t React state update immediately?” Using a simple example with a button click, multiple state updates, and console logs, we explore: Why the console prints 0 even after calling setState three times Why external console logs show 1 instead How asynchronous state updates and React Fiber batching work Why React updates state only once even if called multiple times How batching avoids unnecessary re-renders and improves performance If you're preparing for React interviews, this is a must-know concept! React js Latest Playlist in hindi : https://www.youtube.com/playlist?list=PL8p2I9GklV463WUKdVzUZ17IDZ3SwoSTu #reactjs #reactinterview #javascriptinterview #reactshorts #useState #reactfiber #frontendinterview #codinginterview #reacttips #reactdeveloper react interview question react state update useState not updating react async state react fiber react batching react console log zero react multiple setstate react rendering react js interview react useState delay why state not updating react component re-render async state react explanation React js full course :- https://www.youtube.com/watch?v=LuNPCSNr-nE Instagram id: @code.steps Linkedin : http://github.com/anil-sidhu/ Topmate : https://topmate.io/anil_sidhu ============================ Free notes, code examples, and a complete playlist Our website : https://thecodingskills.com All Courses Codes: https://thecodingskills.com/courses