react

Question 1

What is React?

Answer 1

React is a free and open-source front-end JavaScript library for building user interfaces based on User Interface components.

Question 2

What is a React element?

Answer 2

it is an object representation of a virtual DOM node

its an object that describes an html element that will ultimately be displayed on the screen

Question 3

How do you mount a React element to the DOM?

Answer 3

with the render method

Question 4

What is a React component?

Answer 4

Components are independent and reusable bits of code. They serve the same purpose as JavaScript functions, but work in isolation and return HTML.

Question 5

How do you define a function component in React?

Answer 5

same way as defining a function

Question 6

How do you mount a component to the DOM?