skipDemo.js

Array.prototype.skip = function(count) {
  return this.filter((_, i) => i >= count);
};
Array.prototype.skipWhile = function(predicate) {
  return this.filter((_, i) => !predicate(_, i));
};

function skipDemo(orders) {
  const lastTwoOrders1 = orders.skip(orders.length - 2);
  printHeaderFooter(
    "Last Two Orders - Skip",
    () => printOrders(lastTwoOrders1, indentBy),
    indentBy
  );

  const lastTwoOrders2 = orders.skipWhile(
    (order, index) => index < orders.length - 2
  );
  printHeaderFooter(
    "Last Two Orders - SkipWhile",
    () => printOrders(lastTwoOrders2, indentBy),
    indentBy
  );
}