TikTok: press M to mute the video
Adds an M keyboard shortcut that instantly mutes or unmutes the current video.
Code to copy
// Press M to mute or unmute the current video
document.addEventListener('keydown', function (e) {
if (e.key !== 'm' && e.key !== 'M') { return; }
const tag = (e.target.tagName || '').toLowerCase();
if (tag === 'input' || tag === 'textarea' || e.target.isContentEditable) {
return;
}
const v = document.querySelector('video');
if (v) { v.muted = !v.muted; }
});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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