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我想在Youtube IFrame API中使用基本的onPlayerStateChange事件来跟踪Google Analytics中的开始/停止/结束。代码在十月份工作，但现在视频不会显示。 GA跟踪代码是相同的，我在Wordpress和Drupal中得到了相同的结果。它是否更改为API？Youtube IFrame API停止工作
<script>
var tag = document.createElement('script');
tag.src = "http://www.youtube.com/iframe_api";
var firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
var player;
function onYouTubePlayerAPIReady() {
player = new YT.Player('player', {
height: '461',
width: '560',
videoId: 'u1zgFlCw8Aw',
events: {
'onReady': onPlayerReady,
'onStateChange': onPlayerStateChange
}
});
}
function onPlayerReady(event) {
event.target.playVideo();
}
function onPlayerStateChange(event) {
if (event.data ==YT.PlayerState.PLAYING)
{_gaq.push(['_trackEvent', 'Videos', 'Play', ‘AnyEvent’ ]); }
if (event.data ==YT.PlayerState.ENDED)
{_gaq.push(['_trackEvent', 'Videos', 'Watch to End', ‘AnyEvent’]); } }
</script>
<div id="player"></div>