Interview prep

Question 1

What does webpack do?

Answer 1

At its core, webpack is a module bundler. It examines all of the modules in your application, creates a dependency graph, then intelligently puts all of them together into one or more bundle(s) that your index.html file can reference.

Question 2

There are two packages you need to run Webpack. What are they?

Answer 2

webpack and webpack-cli

Question 3

What are loaders in Webpack?

Answer 3

Loaders give webpack the ability to process more than just JavaScript and JSON files.

Question 4

What does propTypes do?

Answer 4

1. It validated the type of the props that are being passed to a component So that the component runs correctly.

The package we’ll use to declare types for our props is, naturally, called prop-types.

Question 5

Explain life cycles methods in React

Answer 5

Question 6

What is context in React

Answer 6