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YouTube Auto Expand Comments and Replies ✅

Reliably auto-expands YouTube comments, replies, and "Show more replies". Fully updated for current UI.

How to install

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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回复【脚本】获取最新教程和防失联地址

How to install

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

🚀 安装遇到问题？关注公众号获取帮助

公众号二维码

扫码关注【爱吃馍】

回复【脚本】获取最新教程和防失联地址
Author
koyasi777
Daily installs
4
Total installs
206
Ratings
7 0 0
Version
5.7.1
Created
2025-04-24
Updated
2025-08-03
Size
22 KB
License
MIT
Applies to

YouTube Auto Expand Comments and Replies ✅

📌 Overview

Tired of clicking "Show more replies" over and over on YouTube?
This userscript automatically expands all comments, replies, and continuation threads on YouTube video pages — seamlessly and reliably.

  • 💯 Fully compatible with the latest YouTube UI
  • 🔁 Works on scroll and dynamically loaded content
  • ⚡ Powered by MutationObserver + IntersectionObserver for maximum performance

⚙️ How to Install

  1. Install Violentmonkey or Tampermonkey in your browser
  2. Install the script from this link:
    👉 Install this userscript

💡 Key Features

  • Automatically clicks to expand comments and replies
  • Also expands "Show more replies" continuation threads
  • Avoids re-clicking already expanded threads
  • Works even during scrolling or when switching videos
  • Robust selector design to withstand UI changes

🌐 Matching URLs

// @match https://www.youtube.com/*

🧠 Technical Details

  • Uses MutationObserver to watch for dynamically loaded comment threads
  • Uses IntersectionObserver to detect buttons coming into view
  • Utilizes Set to track expanded threads and avoid redundant clicks
  • Throttled execution for scroll and DOM mutation events

🛠 Troubleshooting

  • If it doesn't seem to work, check for conflicts with other YouTube-related userscripts
  • There's a short initial delay after page load (intentional for stability)

📜 License

MIT License
Feel free to modify or redistribute. Use at your own risk.

Unfold every conversation.
Let the full story be told.