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Answers and rating deltas for

Why do many javascript libraries begin with "(function () {"?

Author Votes Δ
vava 15 +0.88
kemiller2002 6 -0.18
John Parker 2 +0.39
Sean Devlin 1 -1.98
Praveen Prasad 0 -4.00
Last visited: Sep 14, 2014, 5:07:29 AM