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Figure 6-3. Controlling video width and height in the embed
Dynamically scaling a video
Now it is time for a more elaborate (and we think more effective) example of scaling a
video. By changing the width and height attributes of the <video> tag, we can scale the
video on the fly. While there may be a few practical reasons you would do this in a real-
world situation, it is also an effective way to demonstrate some of the power of the
HTML5 <video> tag.
First, we need to add an HTML5 range control to the page:
Video Size: <input type="range" id="videoSize"
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