In my dev and production sites, seems that any chart that implements clearChart is broken when that function is called:
0x800a138f - JavaScript runtime error: Unable to get property 'Wa' of undefined or null reference. Simple workaround is to not call it, but concern long term would be heavy use and memory. -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-visualization-api. For more options, visit https://groups.google.com/d/optout.
