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Sums up the lengths of Bandcamp album tracks and gives you a total album runtime up top.
当前为
// ==UserScript==
// @name Bandcamp Album Length
// @namespace raina
// @description Sums up the lengths of Bandcamp album tracks and gives you a total album runtime up top.
// @include *
// @version 2
// @grant none
// ==/UserScript==
window.siteroot && "http://bandcamp.com" == window.siteroot && (function() {
"use strict";
var tracks = document.querySelectorAll('#track_table .title .time');
if (tracks.length) {
var runtime = document.createElement("span");
var mul = [1, 60, 60 * 60];
var total = 0;
var duration = "";
var time;
var section;
var digits;
var i;
var hours;
var minutes;
for (i = 0; i < tracks.length; i++) {
time = tracks[i].textContent.trim();
section = 0;
while (time) {
digits = time.slice(time.lastIndexOf(":") + 1);
total += parseInt(digits, 10) * mul[section];
time = time.slice(0, time.lastIndexOf(":"));
if (!time) {
break;
}
section++;
}
}
hours = Math.floor(total / mul[2]);
if (1 <= hours) {
duration = hours + ":";
total -= hours * mul[2];
}
minutes = Math.floor(total / mul[1]);
if (duration) {
duration += ("0" + minutes).slice(-2) + ":";
} else {
duration = minutes + ":";
}
if (1 <= minutes) {
total -= minutes * mul[1];
}
duration += ("0" + total).slice(-2);
runtime.textContent = "Total runtime: " + duration;
runtime.style = "display: inline-block; float: right;";
document.querySelector('#name-section h3').insertBefore(runtime, document.querySelector('#name-section h3 [itemprop="byArtist"]'));
}
}());