Moodle Plugin Advanced Forum Timestamp Correction

gistfile1.js

// ==UserScript==
// @name              Advanced-Forum-Timestamp-Correction
// @grant             none
// @description	      Replaces time-ago with absolute date and time
// @include	         	*/mod/hsuforum/*
// ==/UserScript==


var snapFoo = document.evaluate("//*[@class='hsuforum-post-pubdate']",
	document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

for (var i = snapFoo.snapshotLength - 1; i >= 0; i--) {
  var newtimestamp = new Date(snapFoo.snapshotItem(i).attributes.datetime.value);
  newtimestamp = newtimestamp.toLocaleString();
  var prevtimestamp = snapFoo.snapshotItem(i).innerHTML;
  prevtimestamp = prevtimestamp.concat(" - ");
  prevtimestamp = prevtimestamp.concat(newtimestamp);
  snapFoo.snapshotItem(i).innerHTML = prevtimestamp;
}

var snapFoo = document.evaluate("//*[@class='hsuforum-thread-pubdate']",
	document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

for (var i = snapFoo.snapshotLength - 1; i >= 0; i--) {
  var newtimestamp = new Date(snapFoo.snapshotItem(i).attributes.datetime.value);
  newtimestamp = newtimestamp.toLocaleString();
  var prevtimestamp = snapFoo.snapshotItem(i).innerHTML;
  prevtimestamp = prevtimestamp.concat(" - ");
  prevtimestamp = prevtimestamp.concat(newtimestamp);
  snapFoo.snapshotItem(i).innerHTML = prevtimestamp;
}