I am working on a project where I bind one eventListener to an <audio> element for play event and another eventListener to its parent element for the same event. I noticed that the child's callback is always called, but the parent's callback is never called.
If I use capture mode of addEventListener(), then both callbacks are called normally - first parent, then child.
To further investigate, I wrote a piece of code and found that play event doesn't bubble back to the parent.
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<div><audio src="song.mp3" controls="true"></audio></div>
</body>
<script type="text/javascript">
parent = document.querySelector('div');
child = document.querySelector('div audio');
parent.addEventListener('click', function() {console.log('parent-click-capture');}, true);
parent.addEventListener('click', function() {console.log('parent-click-bubble');}, false);
parent.addEventListener('play', function() {console.log('parent-play-capture');}, true);
parent.addEventListener('play', function() {console.log('parent-play-bubble');}, false);
child.addEventListener('click', function() {console.log('child-click-capture');}, true);
child.addEventListener('click', function() {console.log('child-click-bubble');}, false);
child.addEventListener('play', function() {console.log('child-play-capture');}, true);
child.addEventListener('play', function() {console.log('child-play-bubble');}, false);
</script>
</html>
And this was the output:
parent-click-capture
child-click-capture
child-click-bubble
parent-click-bubble
parent-play-capture
child-play-capture
child-play-bubble
Does anyone know if this behaviour is particular only of play event or are there other events that don't enter bubble phase (or capture phase)?
