Daily Study Logging36 - Type Annotations

//primitive

let appeles: number = 5
let speed: string = "fast"
let hasName: boolean = true
let nothingMuch: null = null
let nothing: undefined = undefined

// built in objects

let now: Date = new Date()

// Array
let colors: string[] = ["red", "greem", "blue"]
let myNumbers: number[] = [1, 2, 3]
let truth: boolean[] = [true, false]

// class

class Car {}

let car: Car = new Car()

// object literal

let point: { x: number, y: number } = {
  x: 10,
  y: 20,
}