// ==UserScript==
// @name     Hover on is2.4chan
// @version  1
// @grant    none
// @require https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
// ==/UserScript==



(function() {

///changes is2.4chan to i.4cdn
  var replacements, regex, key, textnodes, node, s;

  replacements = {

    "https://is2.4chan.org/": "https://i.4cdn.org/",
    };

regex = {};
for (key in replacements) {
    regex[key] = new RegExp(key, 'g');
}

textnodes = document.evaluate( "//body//text()", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

for (var i = 0; i < textnodes.snapshotLength; i++) {
    node = textnodes.snapshotItem(i);
    s = node.data;
    for (key in replacements) {
        s = s.replace(regex[key], replacements[key]);
    }
    node.data = s;
}
///removes arbitrary wordbreak from links


var element = document.getElementsByTagName("wbr"), index;

for (index = element.length - 1; index >= 0; index--) {
    element[index].parentNode.removeChild(element[index]);
}
  ///removes referrer

          $('a[href^=" https://sys.4channel.org/derefer?url="]').each(function(){
            var oldUrl = $(this).attr("href");
            var newUrl = oldUrl.replace(" https://sys.4channel.org/derefer?url=", "");
            $(this).attr("href", newUrl);
        });
})();