wiki/content/20200929161544-primitive_types.md

id	title
8809980a-615d-453f-bc63-2f890fca03b8	TypeScript primitive types

Syntax

Number

var num: number
num = 123
num = 123.24
num = '123' / Error

String

var str: string

str = '123'
str = 123 // Error

Boolean

var bool: boolean

bool = true
bool = false
bool = 'tralala' // Error