Primitive Types

TypeScript's basic primitive types for everyday values.

String Type

let name: string = "Alice";
let greeting: string = 'Hello';
let template: string = `Hello, ${name}`;

Number Type

let age: number = 30;
let price: number = 99.99;
let hex: number = 0xf00d;
let binary: number = 0b1010;

Boolean Type

let isActive: boolean = true;
let hasPermission: boolean = false;

Null and Undefined

let value: null = null;
let notDefined: undefined = undefined;

// Use with union types
let optional: string | null = null;
optional = "now has value";