// 防抖
export function debounce(fn, wait = 3000) {
  let timer = null;
  return function () {
    console.log(wait)
    let args = arguments;
    let that = this;
    if (timer) {
      clearTimeout(timer)
    }
    timer = setTimeout(function () {
      timer = null;
      fn.apply(that, args)
    }, wait)
  }
}

// 节流
export function throttle(fn, wait = 3000) {
  let timer = null;
  return function () {
    if (timer != null) return;
    let args = arguments;
    let that = this;
    clearTimeout(timer)
    fn.apply(that, args)
    timer = setTimeout(function () {
      timer = null;
    }, wait)
  }
}