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Get Youtube Playlist Total Time
// ==UserScript==
// @name Youtube Get Playlist Time
// @namespace
// @version 1.0
// @description Get Youtube Playlist Total Time
// @author Ze
// @include https://www.youtube.*/playlist*
// @grant
// ==/UserScript==
function getPlaylistTime() {
"use strict";
var spanTitles = Array.from(document.querySelectorAll('div.timestamp > span')),
spanLength = 0,
spanContent = "",
i = 0,
j = 0,
k = 0,
hoursArray = [],
minutesArray = [],
secondsArray = [],
totalHours = 0,
totalMinutes = 0,
totalSeconds = 0,
elementAppend = document.querySelector('h1.pl-header-title'),
getTimeButton = document.createElement('button');
for (i; i < spanTitles.length; i += 1) {
spanLength = spanTitles[i].textContent.length;
spanContent = spanTitles[i].textContent;
if (spanLength === 5) {
hoursArray.push(0);
minutesArray.push(parseInt(spanContent.substring(0, 2), 10));
secondsArray.push(parseInt(spanContent.substring(3, 5), 10));
} else if (spanLength === 4) {
hoursArray.push(0);
minutesArray.push(parseInt(spanContent.substring(0, 1), 10));
secondsArray.push(parseInt(spanContent.substring(2, 4), 10));
} else if (spanLength === 7) {
hoursArray.push(parseInt(spanContent.substring(0, 1), 10));
minutesArray.push(parseInt(spanContent.substring(2, 4), 10));
secondsArray.push(parseInt(spanContent.substring(5, 7), 10));
} else if (spanLength === 8) {
hoursArray.push(parseInt(spanContent.substring(0, 2), 10));
minutesArray.push(parseInt(spanContent.substring(3, 5), 10));
secondsArray.push(parseInt(spanContent.substring(6, 8), 10));
}
}
for (j; j < spanTitles.length; j += 1) {
totalHours += hoursArray[j];
totalMinutes += minutesArray[j];
totalSeconds += secondsArray[j];
}
function pad(str, max) {
str = str.toString();
return str.length < max ? pad("0" + str, max) : str;
}
totalMinutes += parseInt((totalSeconds / 60), 10);
totalHours += parseInt((totalMinutes / 60), 10);
totalSeconds = pad((totalSeconds % 60), 2);
totalMinutes = pad((totalMinutes % 60), 2);
getTimeButton.textContent = totalHours + ":" + totalMinutes + ":" + totalSeconds;
getTimeButton.style.fontSize = "22px";
getTimeButton.style.color = "Red";
elementAppend.appendChild(getTimeButton);
}
function loadAllVideos() {
"use strict";
if (document.querySelector('#pl-video-list > button') !== null) {
document.querySelector('#pl-video-list > button').click();
setTimeout(loadAllVideos, 2000);
} else {
setTimeout(getPlaylistTime, 100);
}
}
loadAllVideos();