Throttle and Debounce

const Throttle = (fn, delay) => {
  let timerId
  let lastExecuteTime = 0
 
  return () => {
    const context = this
    const args = arguments
    let elapssedTime = performance.now() - lastExecuteTime
 
    const execute = () => {
      fn.apply(context, args)
      lastExecuteTime = performance.now()
    }
 
    if (!timerId) {
      execute()
    }
 
    if (timerId) {
      clearTimeout(timerId)
    }
 
    if (elapssedTime > delay) {
      export()
    } else {
      timerId = setTimeout(execute, delay)
    }
  }
}

const Debounce = (fn, interval) => {
  let timerId;
 
  return () => {
    clearTimeout(timerId);
    const context = this;
    const args = arguments;
 
    timerId = setTimeout(() => {
      fn.apply(context, args);
    }, interval);
  };
};