Twitch: log chat messages to the console
Prints every new chat message in the browser console as "user: text", handy for debugging.
Code to copy
// Log every new chat message to the console as "user: text"
function logNewMessages(records) {
records.forEach(function (rec) {
rec.addedNodes.forEach(function (node) {
if (node.nodeType !== 1) { return; }
const line = node.matches && node.matches('.chat-line__message')
? node : (node.querySelector && node.querySelector('.chat-line__message'));
if (!line) { return; }
const user = line.querySelector('.chat-author__display-name');
const body = line.querySelector('[data-a-target="chat-line-message-body"]');
if (user && body) {
console.log('[twitch-chat] ' + user.textContent + ': ' + body.textContent);
}
});
});
}
const obs = new MutationObserver(logNewMessages);
obs.observe(document.documentElement, { childList: true, subtree: true });How to use this example
- Copy the code with the button above.
- Install JustZix (2 minutes) and open the extension on the target page.
- Add a new rule matching that page.
- Paste the code into the rule's JavaScript panel and save — it runs on every page visit.
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