Сопоставить функции

const juxt = (…fns) => (…args) => […fns].map(fn => […args].map(fn));

juxt(
  x => x + 1,
  x => x - 1,
  x => x * 10
)(1, 2, 3); // [[2, 3, 4], [0, 1, 2], [10, 20, 30]]
juxt(
  s => s.length,
  s => s.split(' ').join('-')
)(''); // [[18], ['30-seconds-of-code']]