Modern JavaScript & TypeScript

Before writing code

Fetch live docs: Web-search site:developer.mozilla.org javascript for MDN JavaScript reference. Check https://www.typescriptlang.org/docs/ for TypeScript documentation.

ES6+ Features

Arrow Functions

Concise function syntax with lexical this:

• const add = (a, b) => a + b;
• Implicit return for single expressions
• No own this, arguments, super, or new.target

Template Literals