YouTube Player API: How to get duration of a loaded/cued video without playing it?

Question

I\'m not able to get the correct video duration/length (in seconds) of a loaded/cued video via the getDuration() method of the YouTube Player API; the same method, however,

Answer 1

Using jQuery

var youTubeURL = 'http://gdata.youtube.com/feeds/api/videos/oHg5SJYRHA0?v=2&alt=json';
var json = (function () {
    $.ajax({
        'async': false,
        'global': false,
        'url': youTubeURL,
        'dataType': "jsonp", // necessary for IE9
        crossDomain: true,
        'success': function (data) {
            var duration = data.entry.media$group.yt$duration.seconds;
        }
    });
})();