Frontend React

Question 1

Qu’est-ce que SPA (Single page application)

Question 2

Quels sont les avantages de React

Question 3

Quels sont les désavantages de React

Question 4

Différence React vs Angular

Answer 4

React vs Angular:
1. Javascript library vs Complete framework
2. React uses a virtual DOM (Faster) vs Angular uses a real DOM
3. React is smaller in size and lightweight vs Angular is bigger because complete framework
4. React depends on external libraries so more coding lines vs Angular framework built-in support for features
5. React is simple to learn vs more difficult to learn

Question 5

What is a DOM?

Answer 5

Represent the web page as a tree-like structure allows Javascript to dynamically access and manipulate the content

Question 6

Difference between DOM and Virtual DOM

Answer 6

Virtual DOM only renders the element that is changed and makes the page more responsive vs real DOM refreshes the page with only one little change

Question 7

What is React Components

Answer 7

In react it’s a reusable building block for creating UI

Question 8

What is npm and node_modules

Answer 8

Npm is used to manage dependencies for the react project including react library itself

Question 9

What is the role of public folder

Answer 9

Public folder contains static assets thatare served directly to the user’s browser