what is typescript

1Basically, TypeScript is like an extension or "superset" of JavaScript.
2Since JavaScript is a loosely typed language,
3TypeScript enforces the strict use of types. 
4Thus, making it a strictly typed language.

1/* TypeScript is a programming language developed 
2and maintained by Microsoft. 
3It introduces additional features like strict type binding 
4(variables are bound to specific data types) to JavaScript.
5*/