Learn how to implement client-side revalidation in Next.js using the powerful router.refresh() function from the useRouter hook. In this tutorial, we break down when and why to use router.refresh() in client components, how it differs from revalidatePath() in server actions, and the exact use case where it shines — fetching fresh server data after form submission without reloading the entire page. A must-watch for all Next.js App Router users!

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TIMELINE
0:00 INTRO TO CLIENT-SIDE REVALIDATION
0:14 WHAT WE COVER SO FAR IN NEXT.JS APP ROUTER
1:15 WHY WE NEED CLIENT-SIDE REVALIDATION
2:00 HOW TO IMPORT useRouter HOOK IN NEXT.JS
2:46 USING router.refresh() TO FETCH FRESH DATA
4:20 DIFFERENCE: revalidatePath() vs router.refresh() IN NEXT.JS