b

const artists = ['Picasso', 'Kahlo', 'Matisse', 'Utamaro'];

//Performs the specified action for each element in an array.
artists.forEach(artist => {
  console.log(artist + ' is one of my favorite artists.');
});

const numbers = [1, 2, 3, 4, 5];

//Calls a defined callback function on each element of an array, and returns an array that contains the results.
const squareNumbers = numbers.map(number => {
  return number * number;
});

console.log(squareNumbers);

const things = ['desk', 'chair', 5, 'backpack', 3.14, 100];

const onlyNumbers = things.filter(thing => {
  return typeof thing === 'number';
});

console.log(onlyNumbers);