in static/assets/js/modernizr.js [727:746]
tests['video'] = function() {
var elem = document.createElement('video'),
bool = false;
// IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224
try {
if ( bool = !!elem.canPlayType ) {
bool = new Boolean(bool);
bool.ogg = elem.canPlayType('video/ogg; codecs="theora"') .replace(/^no$/,'');
// Without QuickTime, this value will be `undefined`. github.com/Modernizr/Modernizr/issues/546
bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,'');
bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,'');
}
} catch(e) { }
return bool;
};