Babel Module #44

Question 1

What is Babel anyway?

Answer 1

Babel is a compiler: it takes code written in one standard, and it transpiles it to code written into another standard.

In short, it insures compatibility across browsers and JS versions.

Question 2

What’s the recommended way to install Babel?

Answer 2

Locally, in a project directory. Using this command:

npm install –save-dev @babel/core @babel/cli

Question 3

How would you make sure arrow functions are handled across major browsers and versions?

Answer 3

npm install –save-dev \ @babel/plugin-transform-arrow-functions

Question 4

How can you run Bable on your script file to compile it?

Answer 4

npx babel script.js