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Cycle through array/list using modulo operator

Code to (indefinitely) cycle through (and print) the items of a list

function main(startAt = 0) {
  let counter = startAt;
  const list = ["a", "b", "c", "d", "e"];


  setInterval(() => {
    const index = counter % list.length;
    console.log(list[index]);
    counter++;
  }, 1000);
}


main();