>>279 JavaScript
const arr = ['apple', 'banana', 'orange', 'mango'];
const last = ' and ' + arr.pop();
console.log(arr.join`, ` + last);
//=> apple, banana, orange and mango
const arr = ['apple', 'banana', 'orange', 'mango'];
const last = ' and ' + arr.pop();
console.log(arr.join`, ` + last);
//=> apple, banana, orange and mango
