arrow-function.js

/* Arrow functions - implicit return*/
const doubleIt = (num) => num * 2;
console.log(doubleIt(4));
// Output: 8

const add = (a, b) => a + b;
console.log(add(40, 50));
// Output: 90

/* explicit return */
const sumTimesDifference = (x, y) => {
	const sum = x + y;
	const diff = x - y;
	return sum * diff;
};
console.log(sumTimesDifference(20, 10));
// Output: 300