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Answers and rating deltas for

How do I check this boolean hashmap is empty in javascript?

Author Votes Δ
Ravi Parekh 1 +2.72
mplungjan 1 +0.68
Ibu 0 -0.66
nnnnnn 0 -2.87
Last visited: Sep 14, 2014, 5:07:29 AM