// ==UserScript==
// @name 4chan Anonymizer
// @description Make everyone on 4chan appear as Anonymous - remove all names, tripcodes, and emails other than sage
// @include http://*.4chan.org/*
// ==/UserScript==
(function() {
// Remove all linkmail (unless they are being used for sage) and postertrip elements
var toRemove = document.evaluate(
"//a[@class='linkmail' and @href!='mailto:sage']|//span[@class='postertrip']",
document,
null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
null);
var element;
for (var i = 0; i < toRemove.snapshotLength; i++) {
element = toRemove.snapshotItem(i);
element.parentNode.removeChild(element);
}
// Set the contents of all postername, commentpostername, and remaining linkmail elements to Anonymous
var posterNames = document.evaluate(
"//span[@class='postername' or @class='commentpostername']",
document,
null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
null);
for (var i = 0; i < posterNames.snapshotLength; i++) {
element = posterNames.snapshotItem(i);
setPosternameInnerText(element, 'Anonymous');
}
function setPosternameInnerText(element, text)
{
if (typeof element.innerText != 'undefined')
{
element.innerText = text;
}
else if (element.hasChildNodes)
{
var childNode;
var linkmailFound = 0;
// Go through the child nodes - remove anything that's not a linkmail element.
// If linkmail element is found, set its inner text; otherwise, create a new
// text node for the inner text.
for (var i = 0; i < element.childNodes.length; i++)
{
var childNode = element.childNodes[i];
if ((childNode.nodeType == Node.ELEMENT_NODE) && (childNode.tagName.toLowerCase() == 'a') && (childNode.getAttribute('class').toLowerCase() == 'linkmail'))
{
setLinkmailInnerText(childNode, text);
linkmailFound = 1;
}
else
{
element.removeChild(childNode);
}
}
if ((linkmailFound == 0) && element.appendChild)
element.appendChild(document.createTextNode(text));
}
}
function setLinkmailInnerText(element, text) {
if (typeof element.innerText != 'undefined')
{
element.innerText = text;
}
else if (element.hasChildNodes && element.appendChild)
{
while (element.hasChildNodes())
{
element.removeChild(element.lastChild);
}
element.appendChild(document.createTextNode(text));
}
}
})();
