Shadow artifacts during animation in IE9

Question

Here are css, html and js to reproduce:

html:

    
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Answer 1

The solution for me was to put the DIV I wanted to vanish inside another DIV as was mentioned earlier.... HOWEVER..... I don't apply any special styles to it. Instead, all I did was use jQuery to target the new parent DIV and make that disappear instead.

It got rid of those annoying shadow artifacts for me. (on IE10)