RESPONSIVE. Default size: 854px x 480px
See "page source" to observe the coding in this.
Added some things from the example at
Oct 29, 2014: Few times, you'll notice this error on Chrome console: Failed to execute 'postMessage' on 'DOMWindow': The target origin provided ('https://www.youtube.com') does not match the recipient window's origin ('this_window_url')
It's filed there:
I dunno how to resolve that.
You might be interested in these:
- YouTube iframe API: how do I control a iframe player that's already in the HTML?
- Force HTML5 video for embedded YouTube video: