YouTube Comments Toggle Button

Add a toggle button for YouTube comments with a comments icon.

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!)

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!)

// ==UserScript==
// @name         YouTube Comments Toggle Button
// @namespace    https://example.com/youtube-comments-toggle
// @version      1.5
// @description  Add a toggle button for YouTube comments with a comments icon.
// @match        *://*.youtube.com/*
// @match        *://m.youtube.com/*
// @license       MIT
// @grant        none
// ==/UserScript==

(function() {
  'use strict';

  const commentsSelector = 'ytm-single-column-watch-next-results-renderer .single-column-watch-next-modern-panels ytm-comments-entry-point-header-renderer.modern-styling';
  var trytohide = true;
  function toggleComments() {
    const comments = document.querySelector(commentsSelector);
    if (comments) {
      const isHidden = comments.style.display === 'none';
      comments.style.display = isHidden ? '' : 'none';
      console.log(`Comments are now ${isHidden ? 'visible' : 'hidden'}.`);
      if (isHidden) {
        document.querySelector('#toggleButton1').style.backgroundColor = '#f2f1f0';
        document.querySelector('#toggleButton1').style.color = 'black';
      } else {
        document.querySelector('#toggleButton1').style.backgroundColor = 'black';
        document.querySelector('#toggleButton1').style.color = '#f2f1f0';
      }
    }
  }

  const htmlPolicy = window.trustedTypes?.createPolicy('default', {
    createHTML: (html) => html,
  });

  function addButtonToInterface() {
    if (document.querySelector('#comments-toggle-button')) return;

    const buttonViewModel = document.createElement('button-view-model');
    buttonViewModel.id = 'comments-toggle-button';
    buttonViewModel.className = 'yt-spec-button-view-model slim_video_action_bar_renderer_button';

    const buttonHTML = `
            <yt-button-shape class="yt-spec-button-shape-next__button-shape-wiz-class" >
                <button class="yt-spec-button-shape-next yt-spec-button-shape-next--tonal yt-spec-button-shape-next--mono yt-spec-button-shape-next--size-m yt-spec-button-shape-next--icon-leading" id='toggleButton1'>
                    <div class="yt-spec-button-shape-next__icon">
                        <c3-icon style="width: 24px; height: 24px;">
                            <span class="yt-icon-shape yt-spec-icon-shape">
                                <div style="width: 100%; height: 100%; display: block; fill: currentcolor; padding:3px">
                                    <!-- Comments Icon SVG -->
                                    <svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 121.86 122.88" width="20" height="20">
  <title>comment</title>
  <path d="M30.28,110.09,49.37,91.78A3.84,3.84,0,0,1,52,90.72h60a2.15,2.15,0,0,0,2.16-2.16V9.82a2.16,2.16,0,0,0-.64-1.52A2.19,2.19,0,0,0,112,7.66H9.82A2.24,2.24,0,0,0,7.65,9.82V88.55a2.19,2.19,0,0,0,2.17,2.16H26.46a3.83,3.83,0,0,1,3.82,3.83v15.55ZM28.45,63.56a3.83,3.83,0,1,1,0-7.66h53a3.83,3.83,0,0,1,0,7.66Zm0-24.86a3.83,3.83,0,1,1,0-7.65h65a3.83,3.83,0,0,1,0,7.65ZM53.54,98.36,29.27,121.64a3.82,3.82,0,0,1-6.64-2.59V98.36H9.82A9.87,9.87,0,0,1,0,88.55V9.82A9.9,9.9,0,0,1,9.82,0H112a9.87,9.87,0,0,1,9.82,9.82V88.55A9.85,9.85,0,0,1,112,98.36Z"/>
</svg>
                                </div>
                            </span>
                        </c3-icon>
                    </div>
                    <div class="yt-spec-button-shape-next__button-text-content">Comments</div>
                    <yt-touch-feedback-shape>
                        <div class="yt-spec-touch-feedback-shape yt-spec-touch-feedback-shape--touch-response">
                            <div class="yt-spec-touch-feedback-shape__stroke"></div>
                            <div class="yt-spec-touch-feedback-shape__fill"></div>
                        </div>
                    </yt-touch-feedback-shape>
                </button>
            </yt-button-shape>
        `;

    buttonViewModel.innerHTML = htmlPolicy ? htmlPolicy.createHTML(buttonHTML) : buttonHTML;

    buttonViewModel.addEventListener('click', toggleComments);

    const targetContainer = document.querySelector('.slim-video-action-bar-actions');
    if (targetContainer) {
      const firstButton = targetContainer.children[0];
      if (firstButton) {
        targetContainer.insertBefore(buttonViewModel, firstButton.nextSibling);
      } else {
        targetContainer.appendChild(buttonViewModel);
      }
      console.log('Toggle button added as the second button.');
    } else {
      console.warn('Target container not found.');
    }
  }

  const observer = new MutationObserver(() => {
    addButtonToInterface();
    const comments = document.querySelector(commentsSelector);
    comments.style.display = 'none';
  });

  observer.observe(document.body, { childList: true, subtree: true });
  setTimeout(()=>{trytohide = false}, 8000)
  addButtonToInterface();
})();