This content originally appeared on DEV Community and was authored by Sospeter Mong'are
Learn this concept to be proficient in NodeJs
โค Phase 1 - JavaScript Basics
๐๐ฎ๐๐ฎ๐ฆ๐ฐ๐ฟ๐ถ๐ฝ๐ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
- Lexical Structure
- Expressions
- Data Types
- Classes
- Variables
- Functions
- this Keyword
- Arrow Functions
- Loops
- Scopes
- Arrays
- Template Literals
๐๐๐๐ป๐ฐ๐ต๐ฟ๐ผ๐ป๐ผ๐๐ ๐ฃ๐ฟ๐ผ๐ด๐ฟ๐ฎ๐บ๐บ๐ถ๐ป๐ด:
- Callbacks
- Timers
- Promises
- Async & Await
๐๐ผ๐ฟ๐ฒ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
- Closures
- The Event Loop
โค Phase 2 - Core NodeJS Concepts
๐ก๐ผ๐ฑ๐ฒ๐๐ฆ ๐๐๐ป๐ฑ๐ฎ๐บ๐ฒ๐ป๐๐ฎ๐น๐:
- Global Objects in NodeJS (__dirname, __filename, module)
- Modules (CommonJS Modules and ES6 Modules import/export)
- NPM (Node Package Manager)
๐๐ถ๐น๐ฒ ๐ฆ๐๐๐๐ฒ๐บ (๐ณ๐) ๐ ๐ผ๐ฑ๐๐น๐ฒ:
- Reading/Writing Files
- File Streams
- Asynchronous vs. Synchronous File Operations
๐๐๐ฒ๐ป๐๐ & ๐ง๐ต๐ฒ ๐๐๐ฒ๐ป๐ ๐๐บ๐ถ๐๐๐ฒ๐ฟ:
- Custom events
- Handling asynchronous events
๐๐ง๐ง๐ฃ ๐ ๐ผ๐ฑ๐๐น๐ฒ:
- Creating an HTTP server (Handling req and res)
๐๐๐ณ๐ณ๐ฒ๐ฟ & ๐ฆ๐๐ฟ๐ฒ๐ฎ๐บ๐:
- Buffer: Handling binary data
- Streams: Readable, Writable, Duplex, and Transform streams
- Stream handling (piping, chunking)
โค Phase 3 - Advanced NodeJS Concepts
๐๐ ๐ฝ๐ฟ๐ฒ๐๐ ๐๐ฟ๐ฎ๐บ๐ฒ๐๐ผ๐ฟ๐ธ:
- Routing
- Middleware
- Handling Req, Res & Error
- Serving Static Files
- Template Engines (e.g., Pug, EJS)
- RESTful APIs
๐๐ฎ๐๐ฎ๐ฏ๐ฎ๐๐ฒ ๐๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป:
- MongoDB with Mongoose (CRUD operations, Schemas & Models)
- SQL (MySQL, PostgreSQL)
- Using Sequelize
- Redis
โค Phase 4 - Real-time Applications
๐ช๐ฒ๐ฏ๐ฆ๐ผ๐ฐ๐ธ๐ฒ๐๐ ๐๐ถ๐๐ต ๐ฆ๐ผ๐ฐ๐ธ๐ฒ๐.๐ถ๐ผ:
- Real-time data communication
๐๐๐ฒ๐ป๐-๐๐ฟ๐ถ๐๐ฒ๐ป ๐๐ฟ๐ฐ๐ต๐ถ๐๐ฒ๐ฐ๐๐๐ฟ๐ฒ:
- Understanding event-driven development
โค 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!
This content originally appeared on DEV Community and was authored by Sospeter Mong'are
Sospeter Mong'are | Sciencx (2025-01-22T14:15:39+00:00) Learn this concept to be proficient in NodeJs. Retrieved from https://www.scien.cx/2025/01/22/learn-this-concept-to-be-proficient-in-nodejs/
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