Show and reload broken images

The name explained it

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name Show and reload broken images
// @version 3.0.0
// @description The name explained it
// @homepageURL https://github.com/eight04/show-and-reload-broken-images#readme
// @supportURL https://github.com/eight04/show-and-reload-broken-images/issues
// @license MIT
// @author eight04 <[email protected]>
// @namespace eight04.blogspot.com
// @include *
// @grant GM_addStyle
// ==/UserScript==

/* eslint-env browser, greasemonkey */

function reloadImages() {
  for (const img of document.images) {
    if (!img.complete || img.matches("[src]:-moz-broken")) {
      img.src += "#";
    }
  }
}

function broadcastEvent() {
  for (const win of window.frames) {
    win.postMessage("RELOAD_BROKEN_IMAGES", "*");
  }
}

function init() {
  window.addEventListener("keyup", e => {
    if (e.keyCode === 82 && e.altKey) {
      reloadImages();
      broadcastEvent();
    }
  });
  
  window.addEventListener("message", e => {
    if (e.data === "RELOAD_BROKEN_IMAGES") {
      reloadImages();
      broadcastEvent();
    }
  });
}

{
  init();
}