Safari in ios8 is scrolling screen when fixed elements get focus

Question

In IOS8 Safari there is a new bug with position fixed.

If you focus a textarea that is in a fixed panel, safari will scroll you to the bottom of the page.

T

Answer 1

I just jumped over something like this yesterday by setting height of #a to max visible height (body height was in my case) when #b is visible

ex:

ps: sorry for late example, just noticed it was needed.