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m.YouTube.com more playback speeds

Adds 2.25x 2.5x 2.75x 3x speed buttons below the video

当前为 2023-10-14 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         m.YouTube.com more playback speeds
  3. // @namespace    m-youtube-com-more-playback-speeds
  4. // @version      1.4
  5. // @description  Adds 2.25x 2.5x 2.75x 3x speed buttons below the video
  6. // @author       hlorand.hu
  7. // @match        https://m.youtube.com/*
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
  9. // @grant        none
  10. // @license      https://creativecommons.org/licenses/by-nc-sa/4.0/
  11. // ==/UserScript==
  12.  
  13. // Screenshot: https://ibb.co/chtmD9F
  14.  
  15. (function() {
  16.     //'use strict';
  17.  
  18.     function addbuttons(){
  19.         document.getElementById("speedbuttons").innerHTML = "";
  20.  
  21.         const speeds = ["3.5","3.25","3.0","2.75","2.5","2.25","2.0","1.75","1.5"];
  22.  
  23.         speeds.forEach((speed)=>{
  24.             let button = document.createElement('button');
  25.             button.textContent = speed;
  26.             button.className = "speedbutton";
  27.  
  28.             button.style.margin = "5px";
  29.             button.style.padding = "5px";
  30.             button.style.backgroundColor = "blue";
  31.             button.style.position = "relative";
  32.  
  33.             button.onclick = function() {
  34.                 let video = document.querySelector("video");
  35.  
  36.                 if(video && video.readyState >= 2) {
  37.  
  38.                     video.playbackRate = this.textContent;
  39.  
  40.                     video.mozPreservesPitch = video.webkitPreservesPitch = video.preservePitch = true;
  41.  
  42.                     // highlight the clicked button and desaturate the others
  43.                     document.querySelectorAll(".speedbutton").forEach((btn)=>{
  44.                         btn.style.backgroundColor = "blue";
  45.                     });
  46.                     this.style.backgroundColor = "darkorange";
  47.                 }
  48.             };
  49.  
  50.             let target = document.getElementById("speedbuttons");
  51.             target.insertBefore(button, target.firstChild);
  52.  
  53.         }); // end speeds foreach
  54.  
  55.     } // end addbuttons
  56.  
  57.     // Periodically check if the buttons are visible 
  58.     // (sometimes YouTube redraws its interface).
  59.     setInterval(()=>{
  60.         // Creating a div that will contain buttons.
  61.         if( document.getElementById("speedbuttons") == undefined ){
  62.             let parent = document.querySelector('.related-chips-slot-wrapper'); // placement of buttons
  63.             let wrapper = document.createElement('div');
  64.             wrapper.setAttribute("id","speedbuttons");
  65.             parent.insertBefore(wrapper, parent.firstChild);
  66.             addbuttons();
  67.         }
  68.     }, 1000);
  69.  
  70. })();