Basic Types

Relax. We'll talk through this in plain words — no textbook voice.

In TypeScript, when you declare a variable, you specify basic data types using : type.

string: "Hello"
number: 100, 3.14
boolean: true or false
any: can be any type at all (disables type checking)

typescript

let framework: string = "TypeScript";
let version: number = 5.0;
let isAwesome: boolean = true;

// The 'any' type allows any kind of value
let anything: any = 4;
anything = "Now I'm a string";

console.log(`Learning ${framework} v${version}`);

You should see

Learning TypeScript v5.0