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

The loop attribute causes the audio element to automatically restart playback from the beginning when the media reaches the end.

Question 2

Which JavaScript method plays an HTML5 media element?

Accepted Answer

play()

Answer

The play() method on HTMLMediaElement begins or resumes playback and returns a Promise in modern browsers.

Question 3

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

Accepted Answer

Silences the audio track of the video

Answer

The muted attribute sets the default audio state to muted, which is often required by browsers before autoplay is allowed.

Question 4

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

Accepted Answer

currentTime

Answer

The currentTime property returns or sets the current playback position of the media in seconds.

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

The preload attribute with values 'none', 'metadata', or 'auto' hints to the browser how much of the media to preload before the user presses play.

HTML5 - HTML5 Web Development Practice Test