Week 15: Next.js App Router

Score 4 out of 5 to complete this week.

1. 1. In the App Router, what file makes a folder a route?

   index.jspage.tsxroute.jsonapp.tsx
2. 2. What is a Server Component's main advantage?

   It can use useStateIt renders on the server and sends no component JavaScript to the browserIt runs in a workerIt replaces CSS
3. 3. When do you need "use client"?

   For every componentWhen the component uses state, effects or browser eventsFor SEOFor server data
4. 4. What does layout.tsx do?

   Defines a databaseWraps pages with shared UI that persists between navigationsSets environment variablesBuilds CSS
5. 5. How do you make a dynamic route like /posts/123?

   app/posts/[id]/page.tsxapp/posts/:id/page.tsxapp/posts/*/page.tsxapp/posts?id/page.tsx