AWS, JavaScript, React - Deploy Web Apps on the Cloud - Debugging in React

The video tutorial covers debugging techniques for React applications, focusing on identifying and fixing a bug related to state management in a calculator app. It demonstrates using debugger statements and console logs to trace issues, explains the problem of a missing operator in the state, and provides a solution by ensuring all state properties are set correctly. The tutorial also highlights code optimization by reducing duplication and concludes with testing the calculator's functionality.

How does the speaker suggest improving the code to avoid duplication?

What is the significance of the 'equals' button in the calculator app being debugged?

What final tests are performed to ensure the calculator functions correctly?