Javascript is the most widely used scripting language used on server side and client side. While to start learning Javascript , you need a proper path for better understanding of popular frameworks like Angular or Reactjs.. Here's a roadmap to learn Javascript..
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Companies Hiring:- Google, Microsoft, Cognizant, Infosys, TCS & Many More
Roles:- Data Analysts ,Data Scientits ,Software Engineers & Other roles
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Express.js Learning Roadmap: From Basics to Advanced
1. Getting Started with Express.js
Introduction to Express.js: Understand why Express.js is used and how it simplifies Node.js applications.
Setup: Install Node.js and Express using npm. Create a basic Express server.
2. Core Concepts
Routing: Define routes using app.get(), app.post(), app.put(), and app.delete().
Middleware: Understand middleware functions and use built-in, third-party, and custom middleware.
Request and Response: Handle HTTP requests (req) and responses (res).
3. Templating Engines
Introduction: Learn about templating engines like EJS, Handlebars, or Pug.
Dynamic HTML: Render dynamic content using templates.
4. Working with RESTful APIs
Create APIs: Build RESTful APIs with Express.
Handle Query Parameters: Parse URL parameters and query strings.
Send JSON Responses: Format and send JSON data to clients.
5. Middleware and Error Handling
Middleware Basics: Use next() for request flow.
Error Handling: Implement custom error-handling middleware.
Logging: Use libraries like morgan for logging requests.
6. Database Integration
Connect to Databases: Integrate MongoDB (Mongoose), MySQL, or PostgreSQL.
Perform CRUD Operations: Build database-backed routes for Create, Read, Update, Delete operations.
7. Authentication and Authorization
Authentication: Implement user authentication using sessions, cookies, or JSON Web Tokens (JWT).
Authorization: Restrict routes to specific user roles.
8. File Uploads and Static Files
File Uploads: Use multer for handling file uploads.
Serve Static Files: Use express.static() to serve images, CSS, and JavaScript files.
9. Advanced Features
CORS: Enable Cross-Origin Resource Sharing for APIs.
Rate Limiting: Protect APIs from abuse using rate-limiting middleware.
Real-Time Features: Integrate with WebSockets for live data.
10. Testing and Debugging
Unit Testing: Test routes using supertest and Jest or Mocha.
Debugging: Use tools like node-inspect or debug library.
11. Deployment
Prepare for Deployment: Use environment variables and production-ready configurations.
Deployment Platforms: Deploy on Heroku, Vercel, or AWS Elastic Beanstalk.
Scaling: Optimize your app for performance and scalability.
12. Build Projects
Beginner: Build a to-do list API.
Intermediate: Develop a blog backend with user authentication.
Advanced: Create a real-time chat application using Express and WebSockets.
Deploy your projects to demonstrate your skills.
📂 Web Development Resources
ENJOY LEARNING 👍👍
1. Getting Started with Express.js
Introduction to Express.js: Understand why Express.js is used and how it simplifies Node.js applications.
Setup: Install Node.js and Express using npm. Create a basic Express server.
2. Core Concepts
Routing: Define routes using app.get(), app.post(), app.put(), and app.delete().
Middleware: Understand middleware functions and use built-in, third-party, and custom middleware.
Request and Response: Handle HTTP requests (req) and responses (res).
3. Templating Engines
Introduction: Learn about templating engines like EJS, Handlebars, or Pug.
Dynamic HTML: Render dynamic content using templates.
4. Working with RESTful APIs
Create APIs: Build RESTful APIs with Express.
Handle Query Parameters: Parse URL parameters and query strings.
Send JSON Responses: Format and send JSON data to clients.
5. Middleware and Error Handling
Middleware Basics: Use next() for request flow.
Error Handling: Implement custom error-handling middleware.
Logging: Use libraries like morgan for logging requests.
6. Database Integration
Connect to Databases: Integrate MongoDB (Mongoose), MySQL, or PostgreSQL.
Perform CRUD Operations: Build database-backed routes for Create, Read, Update, Delete operations.
7. Authentication and Authorization
Authentication: Implement user authentication using sessions, cookies, or JSON Web Tokens (JWT).
Authorization: Restrict routes to specific user roles.
8. File Uploads and Static Files
File Uploads: Use multer for handling file uploads.
Serve Static Files: Use express.static() to serve images, CSS, and JavaScript files.
9. Advanced Features
CORS: Enable Cross-Origin Resource Sharing for APIs.
Rate Limiting: Protect APIs from abuse using rate-limiting middleware.
Real-Time Features: Integrate with WebSockets for live data.
10. Testing and Debugging
Unit Testing: Test routes using supertest and Jest or Mocha.
Debugging: Use tools like node-inspect or debug library.
11. Deployment
Prepare for Deployment: Use environment variables and production-ready configurations.
Deployment Platforms: Deploy on Heroku, Vercel, or AWS Elastic Beanstalk.
Scaling: Optimize your app for performance and scalability.
12. Build Projects
Beginner: Build a to-do list API.
Intermediate: Develop a blog backend with user authentication.
Advanced: Create a real-time chat application using Express and WebSockets.
Deploy your projects to demonstrate your skills.
📂 Web Development Resources
ENJOY LEARNING 👍👍
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⌨️ Javascript quick tips you must know!
Turn your functions into arrows. Arrow functions are sleek, their syntax is shorter, and they automatically bind 'this'.
Try array methods such as map(), reduce(), and filter() to transform your data with ease.
Strings can be manipulated with methods like split(), replace(), and toUpperCase(), they become powerful tools.
Turn your functions into arrows. Arrow functions are sleek, their syntax is shorter, and they automatically bind 'this'.
Try array methods such as map(), reduce(), and filter() to transform your data with ease.
Strings can be manipulated with methods like split(), replace(), and toUpperCase(), they become powerful tools.
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