typescript what is it used for code example

Example 1: what is typescript

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

Example 2: what is typescript

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