JS debounce and loop

utils.js

function debounce(func, wait, immediate) {
  var timeout, context, args;
  return function() {
    context = this, args = arguments;
    if (immediate && !timeout) func.apply(context, args);
    timeout = timeout || setTimeout(function() {
      timeout = null;
      if (!immediate) func.apply(context, args);
    }, wait);
  };
}

function loop(func, wait, times) {
  if (times == 0) return;
  func(times)
  var timeout = setTimeout(function() {
    timeout = loop(func, wait, times-1) || timeout;
  }, wait);
  return function() { typeof timeout === "function" ? timeout() : clearTimeout(timeout); }
}