iframe get if video ended
<iframe src="https://player.vimeo.com/video/66966424" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
<script src="https://player.vimeo.com/api/player.js"></script>
<script>
var iframe = document.querySelector('iframe');
var player = new Vimeo.Player(iframe);
player.on('play', function() {
alert('You have played the video')
});
player.on('ended', function(){
alert('Video play completed');
});
player.getVideoTitle().then(function(title) {
console.log('title:', title);
});
</script>