Neil Fraser
769a25f4ba
fix: Don't throw if drag surface is empty. ( #5695 )
...
Observed this error in Blockly Games Bird 6 (Chrome OS):
Uncaught TypeError: Failed to execute 'appendChild' on 'Node': parameter 1 is not of type 'Node'.
It has only shown up once, and I can't reproduce, but it looks like the drag surface was being cleared while empty. Maybe some weird multi-touch operation?
Open question: Leave the code as is so that the error is thown and visible, or supress it?
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