Build an API in Node.js with Express.js (Free Lesson)

Are you interested in learning how to build an API using Node.js and Express.js? Look no further! In this free lesson, we will walk you through the process of building a simple API using these popular technologies. By the end of this lesson, you will have a basic understanding of how to create a RESTful API with Node.js and Express.js.

What is Node.js?

Node.js is a popular JavaScript runtime that allows you to build scalable and high-performance applications. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for building APIs and other server-side applications.

What is Express.js?

Express.js is a minimalist web application framework for Node.js that provides a robust set of features for building web and mobile applications. It allows you to create APIs, handle HTTP requests, and perform various other functions.

Lesson Objectives

By the end of this free lesson, you will be able to:

• Set up a basic Node.js project
• Create a simple API using Express.js
• Handle HTTP requests and routes
• Understand middleware and error handling

Lesson Instructions

To get started with this free lesson, simply follow these steps:

1. Install Node.js on your computer if you haven’t already
2. Create a new project directory and navigate to it using your terminal
3. Initialize a new Node.js project using npm init
4. Install Express.js using npm install express
5. Write your API code using Express.js
6. Test your API using tools like Postman or curl

Conclusion

Node.js and Express.js are powerful tools for building APIs and web applications. By following this free lesson, you will gain a solid foundation in using these technologies to create your own APIs. Whether you’re a beginner or an experienced developer, learning how to build APIs with Node.js and Express.js will open up countless possibilities for your projects and career.