difference typescript and javascript code example

Example 1: typescript vs javascript

JavaScript:
function my_function(my_param) {
  console.log('do something');
}
TypeScript:
function my_function(my_param: any) {
  console.log('do something');
}

Example 2: typescript vs javascript

// What differs typescript from javascript is the strict usage of types.
// Javascript is a loosely typed language, 
// while Typescript is strictly typed.

// Javascript
let car = 'BMW';
let age = 15;

// Typescript
let car: string = 'BMW';
let age: number = 15;