Test for the Vibration API. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS navigator.vibrate(0); is true PASS navigator.vibrate([]); is true PASS navigator.vibrate(1); is true PASS navigator.vibrate([1, 2]); is true PASS navigator.vibrate([1, 2, 3]); is true PASS navigator.vibrate(); threw exception TypeError: Not enough arguments. PASS navigator.vibrate([1], [2]); is true PASS successfullyParsed is true TEST COMPLETE