react-function-components

Question 1

What is a React component?

Answer 1

React components are sort of like JavaScript functions. they take in arguments (props) and return react elements describing what should be on the screen

core definition: a reusable class or function that returns a react element that represents a sections of your UI.

Question 2

How do you define a function component in React?

Answer 2

function keyword
function name w uppercased first letter
props argument
return keyword followed by jsx syntax

Question 3

How do you mount a component to the DOM?

Answer 3

create a root
create an element with the type of the component name
pass that element to the render method of the root object

Question 4

what is the difference between a library

Answer 4

the differences lie between IOC - inversion of control
- a library is code that you call
- YOU call THEM
- a framework calls your cold

if you are defining functions and classes but not calling them yourselves, you are using a framework. but frameworks are a subset of libraries