Overcast Time Calculator

oct.js

(function() {
  var regex = new RegExp("([0-9]{2,}) min");
  
  function minutes_to_hhmm(t) {
    if (isNaN(t)) return '-:--';
    var h = parseInt(t / 60);
    var m = t % 60;
    return (h ? h + ':' : '') + (h ? ('0' + m).slice(-2) : m);
  }

  var total_minutes = 0;
  $('div.caption2.singleline').filter(function () {
    return regex.test($(this).text()); 
  }).map(function(){
  	var matches = regex.exec($(this).text());
  	return parseInt(matches[1]);
  }).each(function () {
  	total_minutes += this;
  });

  var time = minutes_to_hhmm(total_minutes);
  
  $("head > title").text($("head > title").text() + " (" + time + ") ");
  $("h2.ocseparatorbar")[0].innerText = $("h2")[0].innerText + " - " + time;
})();

oct_bookmarklet.js

javascript:(function() { var regex = new RegExp("([0-9]{2,}) min"); function hmsToSecondsOnly(str) { var p = str.split(':'), s = 0, m = 1; while (p.length > 0) { s += m * parseInt(p.pop(), 10); m *= 60; } return s; } function minutes_to_hhmm(t) { if (isNaN(t)) return '-:--'; var h = parseInt(t / 60); var m = t % 60; return (h ? h + ':' : '') + (h ? ('0' + m).slice(-2) : m); } var total_minutes = 0; $('div.caption2.singleline').filter(function () { return regex.test($(this).text()); }).map(function(){ var matches = regex.exec($(this).text()); return parseInt(matches[1]); }).each(function () { total_minutes += this; }); var time = minutes_to_hhmm(total_minutes); $("head > title").text($("head > title").text() + " (" + time + ") "); $("h2.ocseparatorbar")[0].innerText = $("h2")[0].innerText + " - " + time;})();