Javascript Youtube JSAPI,示例不起作用
我正试图捕获YT对象。调用了onYouTubePlayerReady()函数,但我似乎无法对该对象执行任何操作Javascript Youtube JSAPI,示例不起作用,javascript,api,youtube,Javascript,Api,Youtube,我正试图捕获YT对象。调用了onYouTubePlayerReady()函数,但我似乎无法对该对象执行任何操作 <script type="text/javascript" src="https://www.google.com/jsapi"></script> <script type="text/javascript"> google.load("swfobject", "2.2"); </script> <script type
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("swfobject", "2.2");
</script>
<script type="text/javascript">
function onYouTubePlayerReady (playerID)
{
ytplayer = document.getElementById(playerID);
}
function play ()
{
if (ytplayer)
{
ytplayer.playVideo();
}
}
play();
</script>
加载(“swfobject”,“2.2”);
函数onYouTubePlayerReady(playerID)
{
ytplayer=document.getElementById(playerID);
}
函数播放()
{
如果(玩家)
{
ytplayer.playVideo();
}
}
play();
ytplayer引用的是DOM,而不是视频本身(play),它抛出了未捕获的TypeError:Object没有方法“playVideo”,但这基本上是google给出的示例
我做错了什么?在上面的代码中,我根本看不出你在哪里初始化视频播放器。下面的代码在Firefox中运行良好。用你想播放的视频的视频ID替换[你的视频ID]您也可以确认下面的代码在IE和Chrome中的工作方式与champ类似
<div id="video" class="overlay">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js"></script>
<div id="ytapiplayer"></div>
<script type="text/javascript">
var params = { allowScriptAccess: "always" };
var atts = { id: 'myytplayer' };
swfobject.embedSWF("http://www.youtube.com/v/[YOUR_VIDEO_ID]?enablejsapi=1&playerapiid=ytplayer&version=3", "ytapiplayer", "640", "360", "8", null, null, params, atts);
function onYouTubePlayerReady(playerId) {
ytplayer = document.getElementById("myytplayer");
ytplayer.addEventListener('onStateChange','onytplayerStateChange');
}
function onytplayerStateChange(newState) {
alert("Player's new state: "+newState);
}
function play() {
if (ytplayer) {
ytplayer.playVideo();
}
}
</script>
<a href="javascript:void(0)" onclick="play()">Play</a>
</div>
var params={allowScriptAccess:“始终”};
var atts={id:'myytplayer'};
swfobject.embeddeswf(“http://www.youtube.com/v/[YOUR_VIDEO_ID]?enablejsapi=1&playerapiid=ytplayer&version=3;“ytaplayer”、“640”、“360”、“8”、null、null、params、atts);
函数onYouTubePlayerReady(playerId){
ytplayer=document.getElementById(“myytplayer”);
ytplayer.addEventListener('onStateChange','onytplayerStateChange');
}
函数onytplayerStateChange(newState){
警报(“玩家的新状态:+newState”);
}
函数播放(){
如果(玩家){
ytplayer.playVideo();
}
}
我认为您缺少的是,您需要通过传递到对象初始化属性(var atts=…)行的任何内容引用“playerId”。进行一点测试确实会发现“onYouTubePlayerReady”函数没有实际传递可用于执行DOM查找的有效id值。页面加载后,您正在调用play();
但加载youtube播放器需要一些时间,因此函数onYouTubePlayerReady
在一段时间后被调用
由于您在onYouTubePlayerReady
中定义了ytplayer
,因此在调用onYouTubePlayerReady之前不能使用ytplayer
。此外,ytplayer应该是全局的,以便两个函数都可以使用它