All skills
Technical skill
JavaScript
The language of the browser and much of the modern backend.
Why it matters
Almost every product team expects working JavaScript before anything else.
How to learn it
- 1Learn the syntax, types and control flow of JavaScript.
- 2Write 20 small programs that each do one thing well.
- 3Read an open-source project written in JavaScript.
- 4Ship one real tool or app using JavaScript.