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:

• https://lnkd.in/dgwQ3Yxa
• https://lnkd.in/daGdthwe
• https://lnkd.in/d3FhvTPj

Stay curious, keep learning, and keep sharing!