let timerId = null;
let iteration = 0;
const initDelay = 100;
function processBatch() {
  const items = values.slice(10 * iteration, 10 * iteration + 10);

  // function execution

  if (items.length < 10) {
    console.log(items);
    clearTimeout(timerId);
    return;
  }

  iteration += 1;
  timerId = setTimeout(processBatch, initDelay);

}

timerId = setTimeout(processBatch, initDelay);