HTML and CSS Reference
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If this does not work the first time you try it, check the following:
1. Make sure you are using one of the supported browsers:
a. Google Chrome Canary
b. Opera (labs version)
2. Verify that you have a webcam on your machine. You might have to find the webcam
application on your computer and launch it. (We needed to do that on Microsoft Win-
dows 7, but not on Microsoft Windows 8). It's clumsy, but it should work.
3. Verify that the app is served from a web server in an HTML page. Figure 6-14 shows
what the app should look like when it works.
Figure 6-14. getUserMedia() displaying video capture of a stressed-out developer
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