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(edit: this assertion is incorrect, I skimmed the code too fast) I had no idea that you can draw on any element, not just canvas ones ... I thought there was a semantic meaning there ... apparently there isn't?

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reminds me of freezeframe.js, you can grab an a slice of a gif and draw a canvas image on top

https://github.com/ctrl-freaks/freezeframe.js

except this is just any regular div element

Looks like it's adding a canvas element to the divs and positioning it to line up.

Ah yes I missed the var canvas line and just presumed the code was getting a context on the selected div instead, a feature I didn't know was possible (it isn't).

The canvas declaration is staring right at me now that I review it again. That's life...

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