How to handle 404 errors in Express
· Node.js
Implement a catch-all 404 handler and custom not-found page in Express applications.
Category: Node.js
50 questions in Node.js.
How to implement authentication middleware in Express
· Node.js
Build custom authentication middleware in Express to protect routes using JWT tokens and session validation.
How to parse request body in Express
· Node.js
Understand how to parse JSON and URL-encoded request bodies in Express using built-in and third-party middleware.
How to serve static files in Express
· Node.js
Learn how to serve CSS, JavaScript, images, and other static assets using Express built-in middleware.
What is the difference between app.use and app.get in Express
· Node.js
Learn the differences between app.use middleware and app.get route handlers and when to apply each in Express.
How to use template engines with Express
· Node.js
Configure Express to render dynamic HTML pages using popular template engines like EJS, Pug, or Handlebars.
How to handle errors in Express applications
· Node.js
Implement centralized error handling in Express using custom middleware and async error wrappers.
How to define routes in Express
· Node.js
Learn how to create RESTful routes in Express using route methods, parameters, and the Router class.
What is middleware in Express
· Node.js
Understand Express middleware functions and how they process requests and responses in the request-response cycle.
How to set up an Express.js server
· Node.js
Learn how to install Express and create a basic web server with routes and middleware in minutes.