YouTube API — not firing 'onYouTubePlayerReady()'
From what I've read, this is how I should setup the YouTube API:
<!DOCTYPE html>
<html lang="en">
<head>
<meta content='text/html;charset=UTF-8' http-equiv='content-type' />
<title>Youtube Player</title>
<script开发者_开发问答 src="jquery.js" type="text/javascript"></script>
<script src="http://ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js" type="text/javascript"></script>
<script type="text/javascript" charset="utf-8">
function onYouTubePlayerReady(id) {
console.log("onYouTubePlayerReady() Fired!");
var player = $("#youtube_player").get(0);
}
var params = { allowScriptAccess: "always" };
var atts = { id: "youtube_player" };
swfobject.embedSWF("http://www.youtube.com/apiplayer?enablejsapi=1",
"youtube", "425", "356", "8", null, null, params, atts);
</script>
</head>
<body>
<div id="youtube"></div>
</body>
</html>
However, 'onYouTubePlayerReady()' doesn't fire at all, and if I manually get a reference to the player, a lot of methods are undefined; for example, cueVideoById() works, but playVideo() doesn't.
How can I fix this problem?
You need to be on a web server with your test script, as stated in the documentation:
Note: To test any of these calls, you must have your file running on a webserver, as the Flash player restricts calls between local files and the internet.
this function:
function onYouTubePlayerReady(playerid) {
console.log('readyIn');
};
don't have to be directly in head in separate script tag.
Only rule you have to keep is: don't put this function inside domready event - it has to be defined sooner.
For example in mootools I use it like this:
function onYouTubePlayerReady(playerid) {
echo('readyIn');
};
document.addEvent('domready', function() {
...
});
I have the answer, separate out this portion of the script and put it in the head in its own script tag. OMG, finally
<script type="text/javascript" language="javascript">
function onYouTubePlayerReady(playerid) {
ytp = document.getElementById('ytplayer');
ytp.mute();
};
</script>
I consider this the best way of adding a youtube video to your website with javascript. It gives you a very clear way of dealing with events. It works on a local machine, and as far as I know it works on apple devices. You can use all the events and function described in the javascript documentation for the youtube api.
<div id="player"></div>
<script>
//Load player api asynchronously.
var tag = document.createElement('script');
tag.src = "http://www.youtube.com/player_api";
var firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
var done = false;
var player;
function onYouTubePlayerAPIReady() {
player = new YT.Player('player', {
height: '390',
width: '640',
videoId: 'JW5meKfy3fY',
events: {
'onReady': onPlayerReady,
'onStateChange': onPlayerStateChange
}
});
}
function onPlayerReady(evt) {
evt.target.playVideo();
}
function onPlayerStateChange(evt) {
if (evt.data == YT.PlayerState.PLAYING && !done) {
setTimeout(stopVideo, 6000);
done = true;
}
}
function stopVideo() {
player.stopVideo();
}
</script>
source: http://apiblog.youtube.com/2011/01/introducing-javascript-player-api-for.html
<!DOCTYPE html>
had to lead the page in order for the html5 stuff to function for me in FF4
If you're embedding youtube videos like so:
<iframe src="http://www.youtube.com/embed/VIDEO_ID?jsapi=1" width="1280" height="720" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>
then you should place
<script src="http://www.youtube.com/player_api"></script>
after the </iframe>. At least that's how I got it to work.
Additionally, if you're dynamically changing the [src] attribute of the iframe via jQuery or whatever to load a new video then you need to call onYouTubePlayerAPIReady() after it has loaded.
I prefer to change the [src] attribute and then:
setTimeout(onYouTubePlayerAPIReady, 500);
Just had the same issue, but for another reason. It worked in Chrome but not Firefox, and the reason was that I had a http header "Content-type: text/xml" instead of "Content-type: text/html". Serving as HTML now fires the onYouTubePlayerReady event in Firefox, too.
Just posting this in case someone stumbles on this answer from Google (like I just did when trying to find a solution).
加载中,请稍侯......
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