Fix webm that are silenced because of CORS
// ==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;