PAC-script example for browsers

function FindProxyForURL(url, host)
{
 proxies = [

  ["127.0.0.1:4444", "i2p"],

  ["127.0.0.1:9050", "onion"],

  ["proxy.antizapret.prostovpn.org:3128",
   "anilist.co",
   "desuchan.net",
   "neko-sentai.com",
   "nihonomaru.com",
   "sankakucomplex.com"
  ],

  ["caelum-gw.chickenkiller.com:8080",
   "gelbooru.com"
  ]

 ];

 for (var x = 0; x < proxies.length; x++)
  for (var y = 1; y < proxies[x].length; y++)
   if (host == proxies[x][y] || shExpMatch(host, "*." + proxies[x][y]))
    return "PROXY " + proxies[x][0];

 return "DIRECT";
}