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Answers and rating deltas for

How to check null and undefined both values for the property?

Author Votes Δ
adeneo 3 +0.21
Abdelrahman M. Allam 1 +2.21
Ahmet Cetin 0 -1.91
tpdietz 0 -1.99
Last visited: Apr 19, 2016, 10:53:29 PM