4chan /gif/ sound fix - CORS issue

Fix webm that are silenced because of CORS

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         4chan /gif/ sound fix - CORS issue
// @version      0.1
// @description  Fix webm that are silenced because of CORS
// @namespace    https://greasyfork.org/users/191481
// @author       Zeper
// @match        *://*.4chan.org/gif/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=4chan.org
// @grant        unsafeWindow
// ==/UserScript==

var expandWebm_OStr = unsafeWindow.ImageExpansion.expandWebm.toString();
var regexResult = expandWebm_OStr.match(/(\w+)\.className\s*=\s*("|')expandedWebm\2([,;])/i);
eval((expandWebm_OStr.replace(regexResult[0],regexResult[1]+".crossOrigin="+regexResult[2]+"anonymous"+regexResult[2]+regexResult[3])).replace("function",'function expandWebm'));
unsafeWindow.ImageExpansion.expandWebm = expandWebm;