// Created on savesnippets.com · https://savesnippets.com/7PIrApzB080u0m
function throttle(fn, limit = 300) {
  let lastRun = 0;
  return function (...args) {
    const now = Date.now();
    if (now - lastRun >= limit) {
      lastRun = now;
      return fn.apply(this, args);
    }
  };
}

// Usage
const onScroll = throttle(() => {
  console.log('scroll Y:', window.scrollY);
}, 200);

window.addEventListener('scroll', onScroll);