JavaScript scrollTo method does nothing?

If you have something like this:

html, body { height: 100%; overflow:auto; }

If both body and html have a height definition of 100% and also scrolling enabled, window.scrollTo (and all derived scrolling mechanisms) do not work, despite a scrollbar being displayed (which can be used by the user), when the contents exceed that 100% body height.
This is because the scrollbar you see is not that of the window, but that of the body.


html { height: 100%; overflow:auto; }
body { height: 100%; }

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