// ==UserScript==
// @name         Trump->TODOA converter
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  TODOA
// @author       Pretentious Pete
// @match        https://forums.massassi.net/vb3/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var replaceArry = [
        [/Donald Trump/gi, 'Download TODOA'],
        [/Trump/gi, 'TODOA'],
        // etc.
    ];
    var numTerms = replaceArry.length;
    var txtWalker = document.createTreeWalker (
    document.body,
    NodeFilter.SHOW_TEXT,
    { acceptNode: function (node) {
            //-- Skip whitespace-only nodes
            if (node.nodeValue.trim() ){
                return NodeFilter.FILTER_ACCEPT; }

            return NodeFilter.FILTER_SKIP;
        }
    },
    false
);
    var txtNode = null;

    while (txtNode = txtWalker.nextNode () ) {
        var oldTxt = txtNode.nodeValue;

        for (var J = 0; J < numTerms; J++) {
            oldTxt = oldTxt.replace (replaceArry[J][0], replaceArry[J][1]);
        }
        txtNode.nodeValue = oldTxt;
    }
    // Your code here...
})();