What is TypeScript? An overview for JavaScript programmers

March 3, 2025

Read this blog post if you are a JavaScript programmer and want to get a rough idea of what using TypeScript is like (think first step before learning more details):

  • How TypeScript code is different from JavaScript code.
  • How to run TypeScript code.
  • How to edit TypeScript code in an IDE.
  • Etc.

Note: This blog post does not explain why TypeScript is useful. If you want to know more about that, you can read my TypeScript sales pitch.

Source: What is TypeScript? An overview for JavaScript programmers

The always valuable Axel Rauschmayer has a detailed introduction to TypeScript for JavaScript developers.