Forked from liaohuqiu/gist:4ee77b9b03afcdecc80252252378d367
Created
March 8, 2023 12:15
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Find out the full duration time of a YouTube playlist
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var list = document.getElementsByClassName('pl-video-time'); | |
var time = 0; | |
function toS(hms) { | |
var a = hms.split(':'); | |
while (a.length < 3) { | |
a.unshift(0); | |
} | |
var seconds = (+a[0]) * 60 * 60 + (+a[1]) * 60 + (+a[2]); | |
return seconds; | |
} | |
function toHMS(totalSec) { | |
var hours = parseInt( totalSec / 3600 ) % 24; | |
var minutes = parseInt( totalSec / 60 ) % 60; | |
var seconds = totalSec % 60; | |
var result = (hours < 10 ? "0" + hours : hours) + ":" + (minutes < 10 ? "0" + minutes : minutes) + ":" + (seconds < 10 ? "0" + seconds : seconds); | |
return result; | |
} | |
function add(item) { | |
item = item.getElementsByClassName('timestamp')[0]; | |
item = item.getElementsByTagName('SPAN')[0]; | |
var timeString = (item.innerText || item.textContent); | |
time += toS(timeString); | |
} | |
for (var i = 0; i < list.length; i++) { | |
var item = list[i]; | |
add(item); | |
} | |
console.log("The full duration time is: " + toHMS(time)); |
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