Throttle and Debounce JS Functions

gistfile1.txt

/** 
 * Debounce Function
 * to reduce # of events fired
 * example: Scroll listeners
 */
 function debounce(callback, interval) {
  let debounceTimeoutId;

  return function(...args) {
    clearTimeout(debounceTimeoutId);
    debounceTimeoutId = setTimeout(() => callback.apply(this, args), interval);
  };
}

throttle.js

/** 
 * Throttling Function
 * to reduce # of events fired
 * example: Scroll listeners
 */
 function throttle(callback, interval) {
  let enableCall = true;

  return function(...args) {
    if (!enableCall) return;

    enableCall = false;
    callback.apply(this, args);
    setTimeout(() => enableCall = true, interval);
  }
}