DEV Community

Sospeter Mong'are
Sospeter Mong'are

Posted on

Learn this concept to be proficient in NodeJs

Learn this concept to be proficient in NodeJs

➤ Phase 1 - JavaScript Basics

𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀:

  • Lexical Structure
  • Expressions
  • Data Types
  • Classes
  • Variables
  • Functions
  • this Keyword
  • Arrow Functions
  • Loops
  • Scopes
  • Arrays
  • Template Literals

𝗔𝘀𝘆𝗻𝗰𝗵𝗿𝗼𝗻𝗼𝘂𝘀 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴:

  • Callbacks
  • Timers
  • Promises
  • Async & Await

𝗖𝗼𝗿𝗲 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀:

  • Closures
  • The Event Loop

➤ Phase 2 - Core NodeJS Concepts

𝗡𝗼𝗱𝗲𝗝𝗦 𝗙𝘂𝗻𝗱𝗮𝗺𝗲𝗻𝘁𝗮𝗹𝘀:

  • Global Objects in NodeJS (__dirname, __filename, module)
  • Modules (CommonJS Modules and ES6 Modules import/export)
  • NPM (Node Package Manager)

𝗙𝗶𝗹𝗲 𝗦𝘆𝘀𝘁𝗲𝗺 (𝗳𝘀) 𝗠𝗼𝗱𝘂𝗹𝗲:

  • Reading/Writing Files
  • File Streams
  • Asynchronous vs. Synchronous File Operations

𝗘𝘃𝗲𝗻𝘁𝘀 & 𝗧𝗵𝗲 𝗘𝘃𝗲𝗻𝘁 𝗘𝗺𝗶𝘁𝘁𝗲𝗿:

  • Custom events
  • Handling asynchronous events

𝗛𝗧𝗧𝗣 𝗠𝗼𝗱𝘂𝗹𝗲:

  • Creating an HTTP server (Handling req and res)

𝗕𝘂𝗳𝗳𝗲𝗿 & 𝗦𝘁𝗿𝗲𝗮𝗺𝘀:

  • Buffer: Handling binary data
  • Streams: Readable, Writable, Duplex, and Transform streams
  • Stream handling (piping, chunking)

➤ Phase 3 - Advanced NodeJS Concepts

𝗘𝘅𝗽𝗿𝗲𝘀𝘀 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸:

  • Routing
  • Middleware
  • Handling Req, Res & Error
  • Serving Static Files
  • Template Engines (e.g., Pug, EJS)
  • RESTful APIs

𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻:

  • MongoDB with Mongoose (CRUD operations, Schemas & Models)
  • SQL (MySQL, PostgreSQL)
  • Using Sequelize
  • Redis

➤ Phase 4 - Real-time Applications

𝗪𝗲𝗯𝗦𝗼𝗰𝗸𝗲𝘁𝘀 𝘄𝗶𝘁𝗵 𝗦𝗼𝗰𝗸𝗲𝘁.𝗶𝗼:

  • Real-time data communication

𝗘𝘃𝗲𝗻𝘁-𝗗𝗿𝗶𝘃𝗲𝗻 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲:

  • Understanding event-driven development

➤ Phase 5 - Security Practices

  • Environment Variables & Configuration (.env)
  • Input Validation (Joi)
  • Preventing Common Vulnerabilities (XSS, CSRF, SQL Injection)
  • Authentication & Authorization
  • JWT
  • OAuth (Session-based authentication)
  • Data Encryption
  • Helmet for securing HTTP headers

Here are some repositories that have helped me dive deeper into NodeJS:

Stay curious, keep learning, and keep sharing!

AWS Security LIVE!

Join us for AWS Security LIVE!

Discover the future of cloud security. Tune in live for trends, tips, and solutions from AWS and AWS Partners.

Learn More

Top comments (0)

AWS Security LIVE!

Tune in for AWS Security LIVE!

Join AWS Security LIVE! for expert insights and actionable tips to protect your organization and keep security teams prepared.

Learn More

👋 Kindness is contagious

Dive into an ocean of knowledge with this thought-provoking post, revered deeply within the supportive DEV Community. Developers of all levels are welcome to join and enhance our collective intelligence.

Saying a simple "thank you" can brighten someone's day. Share your gratitude in the comments below!

On DEV, sharing ideas eases our path and fortifies our community connections. Found this helpful? Sending a quick thanks to the author can be profoundly valued.

Okay