wdr_cue.js

var artistname = "Brass Against";
var output = "";

function fancyTimeFormat(duration) {
  // Hours, minutes and seconds
  const hrs = ~~(duration / 3600);
  const mins = ~~((duration % 3600) / 60);
  const secs = ~~duration % 60;

  // Output like "1:01" or "4:03:59" or "123:03:59"
  let ret = "";

  if (hrs > 0) {
    ret += "" + hrs + ":" + (mins < 10 ? "0" : "");
  }

  ret += "" + mins + ":" + (secs < 10 ? "0" : "");
  ret += "" + secs;

  return ret;
}

var timestamps = document.getElementsByClassName("linklist")[0].getElementsByTagName("a");

for (var i = 1, len = timestamps.length; i < len; ++i) {

  if (timestamps[i].hasAttribute("data-extension-ard")) {

    var tracktitle = timestamps[i].getElementsByClassName("jmDescription")[0].innerText;
    tracktitle = tracktitle.replace(/"/g, "").replace(artistname + " - ", "");

    var timestamp = timestamps[i].getAttribute("data-extension-ard");

    var schemaObj = JSON.parse(timestamp);

    var timestamphere = schemaObj.mediaObj.offset;

    output += i + " " + tracktitle + " " + fancyTimeFormat(timestamphere) + "\n";
   

  }


}

console.log(output.replace(/undefined/g, ""));