Install Typescript using:

npm install -g typescript

Check the version of Typescript using:

tsc-v

Typescript files have a .ts extension.

Typescript is a superset of Javascript.

Compile a Typescript files named index.ts into Javascript using tsc index.

References:

• https://www.typescriptlang.org/docs/
• https://doabledanny.gumroad.com/l/typescript-cheat-sheet-poster
• https://www.freecodecamp.org/news/learn-typescript-beginners-guide/
• https://www.codecademy.com/learn/learn-typescript