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Blackout and Open Tab

Turns the page black, opens a new tab with hidden visibility, and makes it visible again after 3 seconds

当前为 2024-08-20 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Blackout and Open Tab
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.2
  5. // @description  Turns the page black, opens a new tab with hidden visibility, and makes it visible again after 3 seconds
  6. // @match        *://*/*
  7. // @grant        none
  8. // ==/UserScript==
  9.  
  10. (function() {
  11.     'use strict';
  12.  
  13.     // Create and style a blackout overlay
  14.     const overlay = document.createElement('div');
  15.     overlay.style.position = 'fixed';
  16.     overlay.style.top = '0';
  17.     overlay.style.left = '0';
  18.     overlay.style.width = '100%';
  19.     overlay.style.height = '100%';
  20.     overlay.style.backgroundColor = 'black';
  21.     overlay.style.zIndex = '10000';
  22.     overlay.style.opacity = '1';
  23.     overlay.style.transition = 'opacity 1s';
  24.     document.body.appendChild(overlay);
  25.  
  26.     // Create a button
  27.     const button = document.createElement('button');
  28.     button.textContent = 'Click for a Variety of Tampermonkey Scripts';
  29.     button.style.position = 'fixed';
  30.     button.style.top = '10px';
  31.     button.style.left = '10px';
  32.     button.style.zIndex = '10001';
  33.     document.body.appendChild(button);
  34.  
  35.     // Button click handler
  36.     button.addEventListener('click', () => {
  37.         overlay.style.opacity = '0';
  38.  
  39.         // Wait for overlay to disappear
  40.         setTimeout(() => {
  41.             // Open a new tab
  42.             const newTab = window.open('', '_blank');
  43.  
  44.             // Hide new tab's visibility by setting styles
  45.             if (newTab) {
  46.                 newTab.document.write('<style>body{display:none;}</style>');
  47.                 newTab.document.close();
  48.  
  49.                 // Make the new tab visible again after 3 seconds
  50.                 setTimeout(() => {
  51.                     newTab.document.body.style.display = 'block';
  52.                 }, 3000); // Time to wait before making the tab visible again
  53.             }
  54.         }, 1000); // Time for the overlay fade out
  55.     });
  56. })();