Section 26: Create React App and Props

Question 1

Webpack

Answer 1

A module bundler for modern JavaScript applications

• Combines different JS files into a bundle.js
• Has plugin system to run tools like babel
• Also bundles other assets like css, images, etc

Question 2

React Props

Answer 2

immutable data passed to your components. They are accessible in your component as an object called this.props

Question 3

defaultProps

Answer 3

*provides a default so that the rest of your code doesn’t break because it’s undefined.

Question 4

static defaultProps

Answer 4

*This way it is static an doesn’t get created multiple times. ** I think?

Question 5

propTypes

Answer 5

*Development time checker for your props. Only works on development mode. Used to check for mistakes in the code.

Installation:
npm install –save prop-types

*Used to alert when there’s a bug floating around in development.