Checking for Browser Support

The easiest way to check for support of the video and audio tags is to dynamically create one or both with scripting and check for the existence of a function:

<!DOCTYPE HTML>
<html>
    <head>
        <title>Canvas tutorial</title>
        <script>
            function draw(){
                var hasVideo = !!(document.createElement('video').canPlayType);
				if(hasVideo)
				document.write("your brouser has video support");
				else
				document.write("doesn't has video support");
           }
        </script>
    </head>
    <body onload="draw();">
    </body>
</html>

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