HTML5 HTML5 Audio and Video 2

Question 1

What does the 'loop' attribute on an HTML5 <audio> element do?

Accepted Answer

Causes the audio to restart automatically when it finishes

Answer

Loops through available audio sources

Answer

Plays the audio in reverse loop

Answer

Creates a crossfade loop

Question 2

Which JavaScript method plays an HTML5 media element?

Accepted Answer

play()

Answer

start()

Answer

run()

Answer

begin()

Question 3

What does the 'muted' attribute on a <video> element do?

Accepted Answer

Silences the audio track of the video

Answer

Disables the video track

Answer

Prevents volume changes

Answer

Hides the audio controls

Question 4

Which property of an HTML5 media element reports the current playback position in seconds?

Accepted Answer

currentTime

Answer

playbackTime

Answer

position

Answer

timeElapsed

Question 5

What does the 'preload' attribute on an HTML5 <video> element hint to the browser?

Accepted Answer

How much media data to load before the user starts playing

Answer

Whether to autoplay the video

Answer

The video codec to use

Answer

Whether buffering is allowed

Question 6

Which HTML5 API gives JavaScript programmatic control over media playback, seeking, and volume?

Accepted Answer

HTMLMediaElement API

Answer

Web Audio API

Answer

MediaStream API

Answer

Media Session API