Greasy Fork is available in English.

Arrow Keys: Frameless Comic-Rocket

Arrow Key Keyboard shortcuts for (Frameless) Comic Rocket comics.

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 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         Arrow Keys: Frameless Comic-Rocket
// @namespace    https://greasyfork.org/users/45933
// @version      0.1.3
// @author       Fizzfaldt
// @description  Arrow Key Keyboard shortcuts for (Frameless) Comic Rocket comics.
// @run-at       document-start
// @grant        none
// @noframes
// @note         Requires turning off frames at https://www.comic-rocket.com/settings/ui/

// @match        *://*.dumbingofage.com/*
// @match        *://*.egscomics.com/*
// @match        *://*.giantitp.com/*
// @match        *://*.goblinscomic.com/*
// @match        *://*.leasticoulddo.com/*
// @match        *://*.vgcats.com/*
// @match        *://*.xkcd.com/*
// ==/UserScript==

/*
 * Some sites have built-in Left=>Prev, Right=>Next functionality.
 * Built-in functionality is almost always faster due to skipping comic-rocket.
 * In theory there could be value in overriding it so that comic-rocket can track where you are
 * via marks but that may require debugging to make sure it overrides correctly.
 *
 * Has built-in arrow-key functionality (have not tried to override)
 *    // @match *://*.lfg.co/*
 *    // @match *://*.questionablecontent.net/*
 *    // @match *://*.schlockmercenary.com/*
 *    // @match *://*.smbc-comics.com/*
 */

function comic_rocket_arrows(e) {
   switch (e.keyCode) {
      case 37: // Left
         location.href='https://www.comic-rocket.com/go?mark&nav=prev&uri='+encodeURIComponent(location.href);
         break;
      case 39: // Right
         location.href='https://www.comic-rocket.com/go?mark&nav=next&uri='+encodeURIComponent(location.href);
         break;
      // case 38: // Up
      // case 40: // Down
      default:
         break;
   }
}
document.addEventListener('keyup', comic_rocket_arrows, false);