Reading-Notes

code fellows 401

Read: 29 - Advanced State with Reducers

How can we ensure that an effect hook runs only once?

pass in a second param that controls how many times it can run.

Can useState() update more than one state variable at the same time?

Yes if you use object or arrays

Is useState() synchronous?

useState is asynchronous

Vocab:

State Hook: a Hook that allows you to have state variables in functional components.

Component Lifecycle: broadly classified into four parts: initialization. mounting. updating, and. unmounting.