react-events-and-state

Question 1

What is the purpose of state in React?

Answer 1

a data model of values that change over time, this allows us to make changes to the dom

Question 2

How to you pass an event handler to a React element?

Answer 2

define it as a prototype method in a class, bind it, then (next to the react element type) specify the event type as a prop, followed by an equals sign, followed by the handler name (of the this object) in a javscript expression