Bro Script (so chat)

broscript.js

Paste in SO chat room console bro:

    (function() {
        "use strict";
        var chat = document.getElementById('chat');
        function parseNode(node) {
            if (node.classList 
                && node.classList.contains('message') 
                && !node.classList.contains('pending') 
                && !node.querySelector('.onebox') 
                && !node.querySelector('pre') 
               ) {
                    var regex = /((?:^|\s*)(?:[a-z'-]+))([\?\!\.]+$|[\?\!\.]+\s|\s*:.|\s*$)/gi;
                    node.textContent = node.textContent.replace(regex, '$1 bro$2');
            }
        }
        [].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
        });
    }());