Question

[Solved] YouTube player iframe API: playVideo doesn’t work on Firefox 9.0.1

I’ve got some YouTube embedding code (I will paste only code which is causing the trouble for me and cut things which are not public):

console.log(ytplayer);
ytplayer.playVideo();

Console.log on Chrome and on FF shows me good objects with correct methods, and method playVideo() exists there. And it works for all other browsers I checked, but it doesn’t work on FF!? What is even more interesting, that when I play video using normal YouTube play button then I can use pauseVideo() method (and all the others: seeking, controlling volume), but I can’t use playVideo() method…

I use new way of embedding video:

ytplayer = new YT.Player(player, {
        height: height,
        width: width,
        videoId: videoid,
        allowfullscreen: 'true',
        playerVars: {
            controls: 0,
            showinfo: 0,
            wmode: 'opaque',
            autoplay: (autoplay ? 1 : 0)
        },
        events: {
            'onReady': function () {
                console.log('I am ready');
            }
        }
    });

Of course ‘I am ready’ is in console output. I have no idea what I do wrong and why only FF is not working… There is no JS error, and no clue… Hope someone had this problem before and got it resolved!:)

Enquirer: Karol

||

Solution #1:

I was having a very similar issue and was struggling with an answer. My calls to playVideo() didn’t seem to work.

ORIGINAL:

$('#play_movie').click(function(){
    $('#video').show();
    if(player)
    {
        if(typeof player.playVideo == 'function')
        {
            player.playVideo();
        }
    }

The issue was that the player was not yet available – if I just gave it a bit of time to show up, then the call worked

$('#play_movie').click(function(){
    $('#video').show();
    if(player)
    {
        var fn = function(){ player.playVideo(); }
        setTimeout(fn, 1000);
    }

Don’t know if this is your exact issue, but I hope it helps someone

Respondent: orangeale

Solution #2:

A more robust way to do that is to check if the player is ready. If the player is not ready, queue player.playVideo() and execute it when it is ready using the onReady event. Gist

var playerConfig = {},                 // Define the player config here
    queue = {                          // To queue a function and invoke when player is ready
      content: null,
      push: function(fn) {
        this.content = fn;
      },
      pop: function() {
        this.content.call();
        this.content = null;
      }
    },
    player;

window.onYouTubeIframeAPIReady = function() {
  player = new YT.Player('player', {
    videoId: 'player',
    playerVars: playerConfig,
    events: {
      onReady: onPlayerReady
    }
  });
};

// API event: when the player is ready, call the function in the queue
function onPlayerReady() {
  if (queue.content) queue.pop();
}

// Helper function to check if the player is ready
function isPlayerReady(player) {
  return player && typeof player.playVideo === 'function';
}

// Instead of calling player.playVideo() directly, 
// using this function to play the video. 
// If the player is not ready, queue player.playVideo() and invoke it when the player is ready
function playVideo(player) {
  isPlayerReady(player) ? player.playVideo() : queue.push(function() {
                                               player.playVideo();
                                             });
} 
Respondent: Yujun Wu

Solution #3:

I came across this post looking for something similar. I found my answer here, by relic180:

YouTube API – Firefox/IE return error “X is not a function” for any ‘player.’ request

Basically, Chrome can initialize youtube embeds even when the divs are hidden (i.e. display:none), but FF and IE can’t. My solution was a variant of relic180’s:

I move my player to left:200% or whatever when I want it invisible but getting initialized (and available for other calls to player), then move it back on screen when I need it.

Respondent: jaya

Solution #4:

I personally found on preset IFrames, that the API won’t work properly if you wouldn’t use https://www.youtube.com as the domain. So be careful not to miss on the “www”. Otherwise the API will create the player object but will fail to execute methods.

Respondent: a_f

The answers/resolutions are collected from stackoverflow, are licensed under cc by-sa 2.5 , cc by-sa 3.0 and cc by-sa 4.0 .

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