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Enable aria-live for bilibili.com Closed Caption

启用屏幕阅读器自动朗读 bilibili CC 字幕！

当前为 2021-01-22 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Enable aria-live for bilibili.com Closed Caption
  3. // @namespace https://www.bitglow.cn/
  4. // @version      0.1
  5. // @description 启用屏幕阅读器自动朗读 bilibili CC 字幕！
  6. // @author       好奇的 01
  7. // @match        https://www.bilibili.com/*
  8. // @grant        none
  9. // ==/UserScript==
  10.  
  11. (function() {
  12.     'use strict';
  13.  
  14.     function setLiveRegions() {
  15.         var el = document.querySelectorAll('.subtitle-wrap');
  16.         for (var i = 0; i < el.length; i++) {
  17.             el[i].setAttribute('aria-live', 'polite');
  18.         }
  19. return el.length;
  20.     }
  21.  
  22.     function trySet() {
  23.         if (setLiveRegions() > 0) {
  24.             clearInterval(intervalID);
  25.             console.log('aria-live attribute added successfully.');
  26.         }
  27.         if (time < 1) {
  28.             clearInterval(intervalID);
  29.             console.log('aria-live attribute added unsuccessfully.');
  30.         }
  31.         time--;
  32.     }
  33.  
  34.     var time = 5;
  35.     var intervalID =setInterval(trySet, 2000);
  36. })();