DevIdol/typescript_tutorials

• Installation

sudo npm i -g typescript

tsc -v

• Setup TS

npm init -y

tsc --init

• Transpile TS to JS

tsc fileName.ts

tsc -w  //auto compile

tsc  //all compile

• Types

Number String Boolean Null Undefined Void Object Array Tuples .... Any Never unknown

• Situations

A function accepts 2 numbers A function returns a string

• Syntax

let variableName: type = value