index.js

const numbers = [1, 2, 3, 4, 5];
const words = ['Call', 'me', 'to', 'the', 'moon'];

const doubledNumbers = numbers.map(function(number) {
	return number * 2;
});
console.log(doubledNumbers);

const newWords = ['hello', 'world', 'goodbye', 'moon'];
const uppercaseWords = newWords.map(function(word) {
	return word.toUpperCase();
});
console.log(uppercaseWords);

const values = [1, 4, 9, 16, 25];
const squaredValues = values.map(function(value) {
	return value * value;
});
console.log(squaredValues);

const halfValues = values.map(function(value) {
	return value / 2;
});
console.log(halfValues);