Simple preload images

preload.js

const preload = () => {
  const images = [];
  for(let i=arguments.length;i--;){
    const index = images.length;
    images[index] = new Image();
    images[index].src=arguments[i];
  }
  return images;
};

/*
preload(
  "/images/sync.png",
  "/images/sync-alert.png",
  "/images/sync-not.png"
);
*/