Section 27: State

Question 1

State

Answer 1

Data in our application that can change.

Question 2

setState

Answer 2

*The correct way to change state in your application.

Simplest Usage: setState accepts an object with new prperties and values for this.state

this.setState({ });

**this.setState is asynchronous.

Question 3

Pure Function

Answer 3

A function that is repeatable, so exact same inputs and outputs.

All state changes should be pure functions in React.

Question 4

How is State passed?

Answer 4

From parent down to child component as a prop.