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Expand All Hidden Replies in a 4chan Thread with Keyboard Shortcut

Shows all replies in thread with a keyboard shortcut (press 'a'), excluding typing in textarea

  1. // ==UserScript==
  2. // @name         Expand All Hidden Replies in a 4chan Thread with Keyboard Shortcut
  3. // @version      0.4
  4. // @description  Shows all replies in thread with a keyboard shortcut (press 'a'), excluding typing in textarea
  5. // @author       Anon
  6. // @match        https://boards.4chan.org/*/thread/*
  7. // @grant        none
  8. // @license      MIT
  9. // @namespace https://greasyfork.org/users/1165708
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.  
  15.     // Function to show all reply buttons
  16.     function showAllReplyButtons() {
  17.         // Select all reply buttons
  18.         var replyButtons = document.querySelectorAll('.stub .show-reply-button');
  19.  
  20.         // Loop through each reply button
  21.         replyButtons.forEach(function(button) {
  22.             // Click the button
  23.             button.click();
  24.         });
  25.     }
  26.  
  27.     // Function to handle keydown event
  28.     function handleKeyDown(event) {
  29.         // Check if the pressed key is 'a' and the active element is not an input or textarea
  30.         if (event.key === 'a' && document.activeElement.tagName.toLowerCase() !== 'input' && document.activeElement.tagName.toLowerCase() !== 'textarea') {
  31.             // Show all reply buttons
  32.             showAllReplyButtons();
  33.  
  34.             // Prevent the default action of the 'a' key
  35.             event.preventDefault();
  36.         }
  37.     }
  38.  
  39.     // Add keydown event listener to the document
  40.     document.addEventListener('keydown', handleKeyDown);
  41. })();