Created attachment 811856 [details] gc.js Mozilla/5.0 (X11; Linux x86_64; rv:26.0) Gecko/20100101 Firefox/26.0 ID:20130922004001 CSet: 63a505ec015c Pasting the content of the attached code into the browser console for execution let it go crazy. It will jump around, trying to resize for each couple of lines, and is completely unresponsive during that time. I stopped the action after a minute without feedback and closed the console. But I can reproduce it all the time.
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