Using document.createElement() to test for browser support for an element
var test_audio= document.createElement("audio") //try and create sample audio element
var test_video= document.createElement("video") //try and create sample video element
var mediasupport={audio: (test_audio.play)? true : false, video: (test_video.play)? true : false}
 
alert("Audio Element support: " + mediasupport.audio + "n"
+ "Video Element support: " + mediasupport.video
)
browser  compatibility  javascript  element  test 
february 2012
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