AtCoder Anonymizer

Hide your name on each page

Od 16.10.2020.. Pogledajte najnovija verzija.

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         AtCoder Anonymizer
// @namespace    http://atcoder.jp/
// @version      0.1
// @description  Hide your name on each page
// @author       Anonymous
// @match        https://atcoder.jp/*
// @grant        none
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    const userScreenName = window.userScreenName;
    const pattern = new RegExp(userScreenName, "g");
    const replacement = "Anonymous";

    function traverse(startNode) {
        const stack = [startNode];
        while (stack.length > 0) {
            const node = stack.pop();
            if (node.nodeType == node.TEXT_NODE) {
                node.textContent = node.textContent.replace(pattern, replacement);
            } else {
                for (const childNode of node.childNodes) {
                    stack.push(childNode);
                }
            }
        }
    }

    const observer = new MutationObserver(records => {
        for (const record of records) {
            for (const node of record.addedNodes) {
                traverse(node);
            }
        }
    });

    traverse(document);
    observer.observe(document, {
        childList: true,
        subtree: true,
    });
})();