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Custom Image for Youtube Background

Replace the old boring flat background with whatever picture you like

当前为 2024-07-18 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Custom Image for Youtube Background
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.3
  5. // @description  Replace the old boring flat background with whatever picture you like
  6. // @author       Hoover
  7. // @match        *://*.youtube.com/*
  8. // @grant        none
  9. // @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
  10. // @license      MIT
  11. // ==/UserScript==
  12.  
  13.  
  14. // Only tested on dark mode. If you're using light mode, you're a lunatic.
  15.  
  16. (function () {
  17.     'use strict';
  18.  
  19.     // Fill the array up with URLs to pictures
  20.     const bgSources = [
  21.         "https://i.kym-cdn.com/photos/images/original/000/581/296/c09.jpg",
  22.         "https://i.kym-cdn.com/photos/images/original/000/581/296/c09.jpg"
  23.     ]
  24.  
  25.     function getRandomImageUrl(images) {
  26.         const randomIndex = Math.floor(Math.random() * images.length);
  27.         return images[randomIndex];
  28.     }
  29.  
  30.     // Select only one image from the array
  31.     let bgImage = getRandomImageUrl(bgSources);
  32.  
  33.     let css = `
  34.         background-image: url(${bgImage});
  35.         background-attachment: fixed;
  36.         background-size: cover;
  37.         background-repeat: no-repeat;
  38.         background-position: center;
  39.     `;
  40.  
  41.     // Find the first #content div and apply the style
  42.     const firstContentDiv = document.querySelector("#content");
  43.     if (firstContentDiv) {
  44.         firstContentDiv.style.cssText += css;
  45.     }
  46.  
  47.     let css2 = `
  48.     #guide,#chips-wrapper{
  49.         opacity: 0.9;
  50.     }
  51.     #cinematics-container{
  52.         display: none;
  53.     }
  54.     `;
  55.     if (typeof GM_addStyle !== "undefined") {
  56.         GM_addStyle(css2);
  57.     } else {
  58.         let styleNode = document.createElement("style");
  59.         styleNode.appendChild(document.createTextNode(css2));
  60.         (document.querySelector("head") || document.documentElement).appendChild(styleNode);
  61.     }
  62.  
  63.     // Live chat transparency
  64.     // Have to overrride the whole style block for this to work
  65.     const overridenDarkStyle = `
  66.     html[dark],
  67.     [dark] {
  68.     --yt-spec-base-background:#0f0f0fbf;
  69.     }
  70.     `
  71.  
  72.     // Create a new <style> element
  73.     const styleElement = document.createElement('style');
  74.     styleElement.type = 'text/css';
  75.     styleElement.appendChild(document.createTextNode(overridenDarkStyle));
  76.  
  77.     // Append the <style> element to the document's <head>
  78.     const head = document.head || document.getElementsByTagName('head')[0];
  79.     if (head) {
  80.         head.appendChild(styleElement);
  81.     }
  82. })();