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What Is Middleware in Express JS - Node.js Tutorials for Beginners

Dave Gray via YouTube

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This beginner tutorial explains middleware in Express.js and demonstrates built-in, custom, and third-party middleware. It covers form and JSON data handling, static files, logging, CORS, custom error handling, and 404 route responses.

Syllabus

Intro
Welcome
Intro and Setup
What is middleware?
Applying built-in middleware
Creating custom middleware
Adding third party middleware
Creating a custom error handler
app.use vs app.all
Improving the custom 404 route handler

Taught by

Dave Gray

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