YouTube Playlist Length

Adds the Overall Playlist Length.
换行
// ==UserScript==
// @name         YouTube Playlist Length
// @namespace    http://tampermonkey.net/
// @version      1
// @description  Adds the Overall Playlist Length.
// @author       ericplane
// @match        https://www.youtube.com/playlist?list=*
// @grant        none
// @require      https://code.jquery.com/jquery-2.2.4.min.js
// ==/UserScript==

(function() {
    function convertS(sec) {var hrs = Math.floor(sec / 3600); var min = Math.floor((sec - (hrs * 3600)) / 60); var seconds = sec - (hrs * 3600) - (min * 60); seconds = Math.round(seconds * 100) / 100;var result = (hrs < 10 ? "0" + hrs : hrs) + ':'; result += (min < 10 ? "0" + min : min) + ":"; result += (seconds < 10 ? "0" + seconds : seconds); return result; }; var ytp = document.querySelectorAll("ytd-playlist-video-list-renderer > #contents > ytd-playlist-video-renderer");var time = 0; for (var i = 0; i < ytp.length; i++) {var a = ytp[i].getElementsByTagName('ytd-thumbnail-overlay-time-status-renderer')[0].innerText;var tx = a.split(':'); if (tx.length < 3) {time = time + Number(tx[0]) * 60 + Number(tx[1]);} else if (tx.length = 3) {time = time + Number(tx[0]) * 60 * 60 + Number(tx[1]) * 60 + Number(tx[2]);}}; var ytpT = convertS(time);
    time=document.createElement('span');
    time.innerText='Overall Playlist Length: ' + ytpT;
    time.className='testing';
    time.style='color:#AAAAAA; font-family:"Roboto","Arial",sans-serif; font-size:1.4rem; line-height:2rem;';

    var possibleelement = document.getElementById('stats');
    if (possibleelement) {
       possibleelement.appendChild(time);

        var newstyle2 = document.createElement('style');
        newstyle2.innerText='.testing::before {content: "•"; margin: 0 4px}'
        time.appendChild(newstyle2);
    }
})();