Learn how to ensure your code is reliable and bug-free by writing tests and effectively using debugging tools.
Write unit tests to verify that individual functions and components work correctly in isolation.
Write integration tests to verify that different parts of your application work together as intended.
Learn Jest, a popular all-in-one JavaScript testing framework with a focus on simplicity.
Get an overview of Mocha, a flexible and feature-rich JavaScript test framework.
Learn about the powerful debugging tools available in modern browsers and code editors like VS Code.