jadenchat.js

(function() {
    "use strict";
    var chat = document.getElementById('chat');

    String.prototype.toJadenCase = function() { return this.split(' ').map(function(w) {return w.slice(0, 1).toUpperCase() + w.slice(1); }).join(' ');};

    function parseNode(node) {
        if (node.classList && node.classList.contains('message') && !node.classList.contains('pending') && !node.querySelector('.onebox') && !node.querySelector('pre')) {
            var inner = node.querySelector('.content .full') || node.querySelector('.content');
            [].forEach.call(inner.childNodes, function jadenThisShit(tnode) {
                if (tnode.nodeType === 3) {
                    tnode.textContent = tnode.textContent.toJadenCase();
                }
            });
        }
    }
    [].forEach.call(chat.querySelectorAll('.user-container .message'), parseNode);
    new MutationObserver(function(records) {
        records.forEach(function(record) {
            [].forEach.call(record.addedNodes, parseNode);
        });
    }).observe(chat, {
        childList: true,
        subtree: true
    });
}());