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Answers and rating deltas for

Why pushing undefined to an empty array give 1?

Author Votes Δ
Mohit Bhardwaj 4 +1.78
nivendha 3 +2.55
BobbyTables 1 -0.46
Rajaprabhu Aravindasamy 1 -1.55
Last visited: Jan 12, 2017, 5:47:21 PM