JavaScript & TypeScript (1)
Introduction
Feature | JavaScript (JS) | TypeScript (TS) |
---|---|---|
Type System | Dynamic | Static + Dynamic |
Compilation | Interpreted (runtime) | Compiled to JS (transpile) |
Type Checking | No | Yes (compile-time) |
IDE Support | Basic | Advanced (IntelliSense, etc.) |
Learning Curve | Easy | Slightly higher |
Community | Very large | Large, growing |
Ecosystem | Huge | Uses JS ecosystem |
Error Catching | Runtime | Compile-time + Runtime |
Annotation | Not required | Optional (but recommended) |
OOP Support | Prototype-based | Class-based (ES6+), Interface |
1 | npm install -g typescript |