React Recitation - Timer with useEffect

In this recitation we make a timer with useEffect. Learn all about sideEffects, the intricacies of useState with asynchronous code, and what a cleanup function is.

https://github.com/blevs/react-timer



Plus, some bonus content on CSS, including how to make a responsive square.



Desktop Background 'Our Night Under the Stars' © Trey Ratcliff, Stuck in Customs https://stuckincustoms.com/2010/07/06...

• #education
• #react
• #webdev
• #hooks
• #useeffect
• #javascript