react-state

Question 1

What are hooks in React?

Answer 1

they allow you to use states in react

Question 2

What are the “Rules of Hooks”? (if necessary, re-read the “Pitfall” box in State)

Answer 2

declared at the top, must have Use, no conditionals(must be called), only called in react component or another hook

Question 3

What is the purpose of state in React?

Answer 3

Holds data between different renders/function calls

Question 4

Why can’t we just maintain state in a local variable?

Answer 4

between functions local variables do not sync (when you call a function the variable will reset to the original state).

Question 5

What two actions happen when you call a state setter function?

Answer 5

react will re-render and then updates the cache

Question 6

When does the local state variable get updated with the new value?

Answer 6

after the render