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navchandar / Clean Wikipedia

// ==UserScript==
// @name         Clean Wikipedia
// @namespace    http://tampermonkey.net/wikipedia
// @version      0.4
// @description  Remove citations and links and make it easy to copy paste content
// @author       navchandar
// @match        https://en.wikipedia.org/wiki/*
// @match        https://*.wikipedia.org/wiki/*
// @match        http://*.wikipedia.org/wiki/*
// @run-at       document-end
// @license      MIT
// @grant        none
// @updateURL    https://openuserjs.org/meta/navchandar/Clean_Wikipedia.meta.js
// @downloadURL  https://openuserjs.org/install/navchandar/Clean_Wikipedia.user.js
// @homepage     https://navchandar.github.io/
// @homepage     https://github.com/navchandar/
// @homepageURL  https://navchandar.github.io/
// @contributionURL https://paypal.me/navchandar
// @contributionAmount $1.00
// @copyright    2021, navchandar (https://openuserjs.org/users/navchandar)
// @icon         https://en.wikipedia.org/static/favicon/wikipedia.ico
// ==/UserScript==

function has(String, search) {
  try {
    if (String.indexOf(search) > -1) {
      return true;
    }
  }
  catch (err) {}
  return false;
}

function removeCitations() {
  var elems = document.getElementsByTagName('sup');
  for (var i = 0; i < elems.length; i++) {
    var elem = document.getElementsByTagName('sup')[i];
    if (elem != null) {
      elem.remove();
    }
  }
}

function cleanLinks() {
  const links = document.getElementsByTagName('a')
  for (var a of links) {
    if (a.href && !has(a.className, 'image') && !has(a.className, 'logo') && !has(a.className, 'external')) {
      if (!has(a.href, 'jpg') && !has(a.href, 'png') && !has(a.href, 'svg') && !has(a.href, 'jpeg')) {
        const el = document.createElement('span')
        el.textContent = a.textContent
        a.parentNode.replaceChild(el, a)
      }
    }
  }
}

(function () {
  'use strict';
  document.onreadystatechange = function () {
    if (document.readyState == "complete") {
      setInterval(cleanLinks, 1000);
      setInterval(removeCitations, 1000);
    }
  }
})();