improve loaded element check #20
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According to jQuery, Opera v12.12 and older may sometimes report offsetWidth and/or offsetHeight less than zero on some elements. Therefore, the check if an element is loaded should not simply evaluate for 0/false, since negative numbers will incorrectly evaluate as true.
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According to jQuery, Opera v12.12 and older may sometimes report offsetWidth and/or offsetHeight less than zero on some elements. Therefore, the check if an element is loaded should not simply evaluate for 0/false, since negative numbers will incorrectly evaluate as true.