const array1 = ['one', 'two', 'three'];
console.log('array1:', array1);
// expected output: "array1:" Array ["one", "two", "three"]

const reversed = array1.reverse();
console.log('reversed:', reversed);
// expected output: "reversed:" Array ["three", "two", "one"]

/* Careful: reverse is destructive. It also changes
the original array */
console.log('array1:', array1);
// expected output: "array1:" Array ["three", "two", "one"]