Variables and Data Types in TypeScript

Variables and Data Types in TypeScript — a practical guide to TypeScript variables data types with clear examples you can reuse in real projects.

Angular Tutorial Series (12/119). Prefer one article? Read the complete Angular tutorial.

Short description

Prefer unknown over any for safer narrowing.

Types

let title: string = 'Home';
let count: number = 0;
let tags: string[] = ['angular'];
let id: string | number;