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YouTube Video Duration Checker

Shows the duration of YouTube videos on mobile browsers.

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  1. // ==UserScript==
  2. // @name         YouTube Video Duration Checker
  3. // @namespace    https://greasyfork.org/en/users/670188-hacker09?sort=daily_installs
  4. // @version      2
  5. // @description  Shows the duration of YouTube videos on mobile browsers.
  6. // @author       hacker09
  7. // @match        https://*.youtube.com/embed/*
  8. // @icon         https://www.youtube.com/s/desktop/03f86491/img/favicon.ico
  9. // @run-at       document-end
  10. // @grant        none
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.   'use strict';
  15.   document.querySelector(".notranslate").style.display = 'unset'; //Display the time
  16.   document.querySelector('.video-stream').addEventListener('timeupdate', function() { //When the YT video is playing
  17.     var currentSecs = Math.floor(document.querySelector('.video-stream').currentTime % 60); //Create a variable to hold the current secs
  18.     var totalSecs = Math.floor(document.querySelector('.video-stream').duration % 60); //Create a variable to hold the total mins
  19.     document.querySelector(".ytp-time-current").innerText = `${Math.floor(document.querySelector('.video-stream').currentTime / 60)}:${currentSecs < 10 ? '0' + currentSecs : currentSecs}`;
  20.     document.querySelector(".ytp-time-duration").innerText = `${Math.floor(document.querySelector('.video-stream').duration / 60)}:${(/^\d$/.test(totalSecs)) ? '0' + totalSecs : totalSecs}`;
  21.   }); //Update the content of the time display element
  22. })();