console.log('-forEach-');

const forEachResult = ['Dog', 'Cat', 'Hamster'].forEach(function(element) {
 
    return element.toUpperCase();
 
});
 
console.log(forEachResult);

 
 console.log(`\n----------------------------------------------\n`);

console.log('-map-');
const mapResult = ['Dog', 'Cat', 'Hamster'].map(function(element) {
 
    return element.toUpperCase();
 
});
 
console.log(mapResult);