Express.js
(Express.js)
Definition
Express.js (Express.js) Tool
Express.js is a minimal and flexible Node.js web application framework that provides a robust set of features for building web and mobile applications.
Expertise Level
Level 1
Basic
1. Understands the basics of Express.js and its role in Node.js applications.
2. Can create simple server routes and handle basic HTTP requests.
3. Familiar with middleware concept and use of built-in middleware.
Level 2
Intermediate
1. Can implement routing with parameters and handle various HTTP methods.
2. Uses third-party middleware and error-handling middleware effectively.
3. Able to structure projects with modular routes and middleware.
Level 3
Advanced
1. Designs and optimizes scalable Express.js applications with advanced middleware and asynchronous patterns.
2. Integrates Express.js with databases, authentication, and real-time frameworks.
3. Implements best practices for security, performance, and maintainability.
