Calculate YouTube Playlist total time

script.js

Number.prototype.padDigit = function () {
	return (this < 10) ? '0' + this : this;
}

var time1 = "00:00";
var secs = 0;
var mins = 0;
var hrs = 0;

$('.ytd-thumbnail-overlay-time-status-renderer').each(function(){
    time1 = time1.split(':');
    var time2 = $(this).text().split(':');
    secs = Number(time1[1]) + Number(time2[1]);
    secMins = Math.floor(parseInt(secs / 60));
    mins = Number(time1[0]) + Number(time2[0]) + secMins;
    secs = secs % 60;

    time1 = mins.padDigit() + ':' + secs.padDigit();
});
console.log(time1);

totalTime = time1.split(':');
var seconds = (Number(totalTime[0]) * 60) + Number(totalTime[1]);
hrs = Math.floor(parseInt((seconds / 60) / 60));
mins = Math.floor((seconds - (hrs * 3600)) / 60);
console.log('عدد الساعات ' + hrs);
console.log('عدد الدقائق ' + Math.floor(mins));
console.log('عدد الثوانى ' + Math.floor(seconds - ((hrs * 3600) + (mins * 60))));