Learn Express.js

Gain insights into Express.js essentials—routing, middleware, and RESTful APIs. Learn to integrate MongoDB, JWT authentication, validation, real-time features, and logging for scalable back-end apps.

Beginner

33 Lessons

Certificate of Completion

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

1 Project

79 Playgrounds

7 Quizzes

This course includes

1 Project

79 Playgrounds

7 Quizzes

Course Overview

Express.js is a popular Node.js framework, especially useful for building APIs and server-side apps. It’s lightweight, unopinionated, and flexible, giving you full control over how your app is structured. Whether new to backend development or ready to build production-grade services using JavaScript, Express is a great place to start. In this course, you’ll begin with a quick review of Node.js and asynchronous JavaScript. Then, you’ll cover Express.js essentials like routing, middleware, and modular app st...Show More

What You'll Learn

An understanding of Express.js and its role in backend web development

Working knowledge of routing, middleware, and RESTful API design

Hands-on experience building secure, data-driven APIs with JWT and MongoDB

The ability to structure modular, maintainable, and scalable Express applications

Familiarity with dynamic rendering, real-time communication, and structured logging

Hands-on experience applying data validation, sanitization, and security best practices

What You'll Learn

An understanding of Express.js and its role in backend web development

Course Content

Course Orientation and Preparations

Dive into Express.js by reviewing essential Node.js and asynchronous JavaScript fundamentals.

Getting Started with Express.js: What to Expect

Quick Refresher on Node.js Understanding Asynchronous JavaScript Quiz: Node and Async Basics

Getting Started with Express.js

Learn how Express.js simplifies HTTP handling through routing and middleware.

Express.js Overview: From Node’s HTTP to a Full Framework Exploring the Request-Response Cycle in Express.js Basic Routing Fundamentals Introduction to Middleware Quiz: Express.js Fundamentals

Diving Deeper into Routing

Master routing techniques in Express.js, including dynamic routing, modular organization, and effective error handling.

Dynamic Routes and Route Parameters Express Router and Modular Routing Error Handling in Routes Quiz: Express Routing Techniques and Route Design

Mastering Middleware

Leverage middleware in Express.js for enhanced request management and application performance.

Built-In and Third-Party Middleware Creating Custom Middleware Quiz: Understand and Apply Middleware in Express.js

Building RESTful APIs and Integrating Databases

Design and develop robust RESTful APIs with MongoDB integration, CRUD operations, and data validation in Express.js.

REST API Fundamentals and Design Principles Database Integration in Express.js Performing CRUD Operations with MongoDB and Mongoose Data Validation and Sanitization Quiz: REST APIs, CRUD, and Data Validation

Securing Your Express Applications

7 Lessons

Master secure user authentication and protect Express.js applications from various threats.

Beyond APIs: UI Rendering, Real-Time Communication, and Logging in Express

4 Lessons

Explore dynamic content creation, real-time communication, and structured logging in Express.js applications.

DevConnector Project

Project

Conclusion

1 Lesson

Reflect on your Express.js journey and embrace best practices as you prepare for the next stage in backend development.

Trusted by 1.4 million developers working at companies

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

Kenan Eyvazov

DevOps Engineer

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!