Lecture 3

Lecture 3 describes how to build and test React applications.

Study goals

Debugging

How to use debugger keyword or breakpoints in browser?

Path to hooks

Presentational components
Forms
- Controlled forms
- Uncontrolled forms
Domain state vs local component state
What are React hooks?
- useState hook
- useReducer hook
- useRef hook
- useImperativeHandle hook

Testing

How to test React components?
How to debug tests that run in NodeJS?

Testing React components