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App Router Foundations
App Router project structure Server Components Client Components with use client Nested layouts Route groups Dynamic route segments Catch-all route segments Loading UI with loading.tsx
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Server-side data fetching fetch cache control Revalidation with next revalidate generateStaticParams generateMetadata Streaming with Suspense Error boundaries with error.tsx notFound and not-found.tsx
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next/image optimization next/font next/link prefetching Environment variables Parallel routes Intercepting routes Metadata Open Graph images Cache tags and revalidateTag
Next.js / App Router Foundations

Dynamic route segments

Learn Dynamic route segments in Next.js through a focused explanation, a topic-specific example, an engineering warning, and a mastery check.

12 min read • Beginner
nextjs-006.ts
typescript 
export default function Product({params}:{params:{id:string}}){ return <h1>Product {params.id}</h1>; }
What to watch
Content source & attribution
Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

Dynamic route segments Mastery Check →
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Route groups
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Catch-all route segments