Focus on the audio widget play/pause button when playing

[Gene Boggs]

So I have this html5 audio element. When I inspect it (with the web dev tools), the play/pause button says it's named button#playButton. But I cannot set the focus to it with anything I try. The most basic are:

Plain JS: document.getElementById("playbutton").focus();

or

jQuery: $('#playbutton').focus();

I want to add the focus under the $('#myAudio').on('playing', function() { ... bit. But those are no dice. :\

[Gene Boggs]

Wrong #id. Use #myAudio