Modern JavaScript from the Beginning - Second Edition - Getting Started with Jest

This video tutorial introduces Jest, a testing framework, and guides beginners through setting up a testing environment. It covers creating a simple function, writing tests using test-driven development (TDD), and running these tests to analyze results. The tutorial emphasizes the ease of using Jest without configuration and demonstrates how to interpret test outcomes to aid development.

What does the expect function do in a Jest test?

How do you export a function in Node.js for testing with Jest?

What is the significance of the describe function in Jest?