Imperative-JS-code

//Imperative code
const cities = ['Torino', 'London', 'Dubai', 'London', 'Edinburgh'];
const uppercaseCities = [];

for (let city of cities) {
  uppercaseCities.push(city.toUpperCase());
}

console.log(uppercaseCities);
// [ 'TORINO', 'LONDON', 'DUBAI', 'LONDON', 'EDINBURGH' ]

//taken from Matteo Hertel's slides at https://github.com/matteo-hertel/FPTalk