Show and reload broken images

The name explained it

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==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();
}