JavaScript

Core JS fundamentals — variables, functions, closures, async, and more.

• Variables
• Functions
• Types & Interfaces
• Interfaces & Object Types
• Arrays & Tuples
• Union Types & Narrowing
• Generics
• Type Utilities

Lessons

• 01Variablesbeginner
• 02Functionsbeginner
• 03Types & Interfacesbeginner
• 04Interfaces & Object Typesbeginner
• 05Arrays & Tuplesintermediate
• 06Union Types & Narrowingintermediate
• 07Genericsintermediate
• 08Type Utilitiesadvanced