Ask HN: How is Netflix able to prevent screenshots on Chrome?

Ask HN: How is Netflix able to prevent screenshots on Chrome?
5 by the42thdoctor | 1 comments on Hacker News.
The other day I tried to screenshot a funny frame in a Netflix video to show to a friend and the image came out black. I tried both the `prtsc key` and the `Snipping Tool`. This got me wondering is JavaScript able to interfere with the built-in OS printscreen function ? I was using Chrome on a Windows 10 machine, and in the end, strangely enough, I was able to take the screenshot on the Netflix Android app.

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