- online training web： https://www.typescriptlang.org/play
install & config check tsc --version npm install typescript -g
tsc --init
Generate tsconfig.ts file
tsc main.ts
it generates a main.js file in the same folder
node main.js
you can install ts-node tool to run at the same time
npm install ts-node
then
ts-node main.ts
it will automatively run ts file convertion and running js file