https://peertube.lagbag.com/videos/watch/7817d843-e431-43d1-ab5a-a399fe1897b5 Mutation Observer is an amazing tool in JavaScript that allows you to easily and efficiently observe any form of DOM changes. This can include anything from simply adding/removing nodes, all the way to more complex things like changing text/attributes. 🌎 Find Me Here: My Blog: https://blog.webdevsimplified.com My Courses: https://courses.webdevsimplified.com Patreon: https://www.patreon.com/WebDevSimplified Twitter: https://twitter.com/DevSimplified Discord: https://discord.gg/7StTjnR GitHub: https://github.com/WebDevSimplified CodePen: https://codepen.io/WebDevSimplified ⏱️ Timestamps: 00:00 - Introduction 00:40 - Mutation Observer Basics 05:50 - Observe Attributes 07:45 - Observe Text 09:35 - Observe Subtree #MutationObserver #WDS #JavaScript Wed, 15 Apr 2026 20:59:31 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.lagbag.com https://peertube.lagbag.com/client/assets/images/icons/icon-512x512.png https://peertube.lagbag.com/videos/watch/7817d843-e431-43d1-ab5a-a399fe1897b5 All rights reserved, unless otherwise specified in the terms specified at https://peertube.lagbag.com/about and potential licenses granted by each content's rightholder.