cheatSheet.ts

//Types
let a: number = 1;
let b: string = "a";
let c: boolean = true;
let d: any;
let e: number[] = [1, 2, 3, 4];
let f: string[] = ["a", "b"];

//Enum
enum color {
  red,
  green,
  blue,
}
let backgroundColor = color.green;

//Interface
interface Point {
  x: number;
  y: number;
}