Web Development : Mastering MERN Stack

Jsx demonstrates embedding variables with curly braces, using constants for headings, and structuring details for efficient user interface in React.

Explore building reusable React components and passing data with props to render dynamic UI in JSX, enabling clean, scalable MERN stack development.

Learn to implement CSS in React using both traditional CSS and CSS modules, importing App.css or App.module.css and using imported styles as objects like styles.apple and styles.meme.

Explore conditional rendering in react using if/else and the ternary operator to output adult or child. Apply the approach to inline styles and colors with object syntax and curly braces.

Learn to render lists in React using the map function, handle keys and objects, and build reusable components (like user) with props to display names and ages efficiently.

Master the concept of state in React by using the useState hook to manage data, handle onClick and onChange events, render dynamic UI, and build show/hide toggles and text input.

Master React Router, a full-featured library for client- and server-side routing that enables navigation between views in single-page apps, dynamic updates, and defining routes, parameters, and authentication in React apps.

Learn to configure routes with React Router by wrapping the app with BrowserRouter, and define home and contact routes using Route and Routes to create a single-page app.

Learn how to configure routes with React Router, mapping URLs to specific pages in a MERN stack app.

Learn how to navigate between routes using ui elements, with links and active links, and click home or contact to switch pages.

Learn route navigation in the mern stack by building a top navigation bar with home and contact links and wiring routes in app.js using active nav links.

Learn to programmatically navigate in React using the useNavigate hook, moving to a new page on button click and returning to the previous page with ease.

The lecture demonstrates programmatic navigation with the use navigate hook to route from an order button to the order details page and back with navigate(-1).

Learn how to handle non-existent routes in React Router by creating a catch-all route using an asterisk and a 'page does not exist' component to inform users.

Explore nested routing in a React app by organizing a product section with popular and new products as child routes, rendering distinct data while keeping the parent layout intact.

Build a product page with a search bar, configure nested routes for popular and new products under /product, and render child components via an outlet.

Master dynamic routing with React Router by using dynamic parameters to render user lists and details for ids, including letters, and implement nested routes for an admin section.

Master dynamic routing with React Router by turning /users into a parent route, using URL parameters like userId, and rendering nested user details and admin sections via outlet and useParams.

Learn to use the useSearchParams hook to filter users via the url, showing only active users or all users when you reset the filter.

Learn to filter users in react with the use search params hook from react-router, showing active users or resetting the filter to display all users.

Explore authentication and authorization in a React app. Implement login with a username, protect routes like profile, and redirect unauthenticated users to the login page.

Create a profile page linked in the nav and protect it with an auth context. Implement login/logout and a require-auth wrapper to guard the profile route.

Explore the difference between controlled and uncontrolled inputs, observe how input values behave in a UI, and learn how controlled inputs restrict user edits.

Explore controlled and uncontrolled inputs in React JS by building a class-based app with state for email and password, handling changes, and preventing default form submission.

Learn to initialize a Node.js project with npm init, configure start scripts, and run with npm start. Implement nodemon for automatic restarts and dotenv for env variables.

Demonstrate using process.argv to read command line arguments in a node script, showing the node and script paths and provided parameters, then parse with minimist to print the value only.

Master printing outputs in node.js with console.log, format strings with %s and %d, and use console.count, console.trace, console.time, and a progress bar.

Learn to capture user input in node.js with the readline module, creating an interface for standard input and output, and compare it to the synchronous prompt-sync approach for simple scripts.

Learn Node.js error handling by creating and throwing error objects, building custom errors, and using try-catch, uncaught exception handling, and promise rejection to manage API fetch failures.

Explore manipulating files in node.js using the path module to obtain the directory name, base name, and extension, then join paths for file references (e.g., sample.txt).

Explore node fs file system operations, including reading and writing files asynchronously and synchronously, using promises, path join, encoding, appending data, and renaming files.

Explore Express.js, a Node.js web framework that handles HTTP requests, routing, and middleware to simplify building web apps and APIs with flexible, high-performance back-end architecture.

Learn to build an express.js application from installation to routing, defining get, post, put, and delete routes for /users and /users/:id, returning json messages and handling request params.

Learn to build Express middleware—application, router, third-party (Morgan), and built-in (JSON, URL encoded, static)—with error handling, a fake auth flow, and routes for users, plus Multer file uploads.

Explore building a modular Express.js API with MongoDB by routing under /api/contacts using express.Router for get, post, put, and delete operations.

Learn to design expressjs controllers to handle CRUD operations for contacts, separating business logic from routes, and implement body parsing, validation, and proper HTTP responses.

Create a custom Express.js error handling middleware that returns JSON errors with status codes, integrated in server.js via next and a switch-case for validation, not found, unauthorized, and server errors.

Implement express with MongoDB CRUD operations by wrapping routes in express-async-handler for automatic error handling, connect via mongoose, define a contact model, and perform create and read operations.

Master user authentication and route protection by building a Mern stack workflow: register, login, current user, and secure endpoints with express routes, mongoose models, and bcrypt-powered password hashing.

Explore implementing jwt-based user authentication in a mern stack, generating access tokens on login, and protecting routes with a token validation middleware tied to mongodb user data.

Manage users in a MERN stack app by adding, updating, and deleting entries, with each action reflected in MongoDB during the final project setup.

Build a React-based frontend for a MERN app by scaffolding folders, configuring routing with react-router-dom, and implementing a dynamic users table with create and update forms using Bootstrap.

Configure a MongoDB-backed server with Express and Mongoose, create CRUD APIs for users, and connect a React front end using Axios, useState, and useEffect to manage data.