Before HTML5, there was no standard for showing
videos on a web page.
Before HTML5, videos could only be played with a
plug-in (like flash).
The HTML5 <video> element specifies a
standard way to embed a video in a web page.
To show a video in HTML, use
the <video> element:
<video width="320" height="240" controls>
<source src="movie.mp4" type="video/mp4">
<source src="movie.ogg" type="video/ogg">
Your browser does not support the video tag.
</video>
<source src="movie.mp4" type="video/mp4">
<source src="movie.ogg" type="video/ogg">
Your browser does not support the video tag.
</video>
The controls attribute adds video controls, like
play, pause, and volume.
It is a good idea to always include width and height attributes.
If height and width are not set, the browser does not know the
size of the video. The effect will be that the page will change (or flicker)
while the video loads.
Text between the <video> and </video> tags will only
display in browsers that do not support the <video> element.
Multiple <source> elements can link to different video
files. The browser will use the first recognized format.
To start a video
automatically use the autoplay attribute:
The HTML <audio> Element
To play an audio file in HTML, use the <audio> element:
<audio controls>
<source src="horse.ogg" type="audio/ogg">
<source src="horse.mp3" type="audio/mpeg">
Your browser does not support the audio element.
</audio>
<source src="horse.ogg" type="audio/ogg">
<source src="horse.mp3" type="audio/mpeg">
Your browser does not support the audio element.
</audio>
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