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Next js Interview Questions

Q:- What is Next Js?

Next js is a lightweight react js framework for static and server-rendered applications

Q:- Why Next.js?
  1. Zero Setup:

    Automatic code splitting, filesystem based routing, hot code reloading and universal rendering

  2. Fully Extensible:

    Complete control over Babel and Webpack. Customizable server, routing and next-plugins.

  3. Ready for Production

    Optimized for a smaller build size, faster dev compilation and dozens of other improvements.

Q:- How to install Next js?
npm install --save next react react-dom

and add a script to your package.json like this:

  "scripts": {
    "dev": "next",
    "build": "next build",
    "start": "next start"

After that, the file-system is the main API. Every .js file becomes a route that gets automatically processed and rendered.

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Q:- What are the main features of Next js?
  1. Server-rendered by default
  2. Automatic code splitting for faster page loads
  3. Simple client-side routing (page based)
  4. Webpack-based dev environmet which supports Hot Module Replacement (HMR)
  5. Able to implement with Express or any other Node.js HTTP server
  6. Customizable with your own Babel and Webpack configurations
Q:- What are the use of Next js?

Next js is most popular framework for building:

  1. Server Rendered App
  2. Progressive Web Apps (PWA)
  3. Static Website
  4. SEO friendly Websites
  5. Desktop Website
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