StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

Why does this evaluate to undefined in JavaScript?

Author Votes Δ
James Allardice 3 +0.44
Danilo Valente 2 +0.19
SrikanthManian 1 -2.38
Last visited: Sep 14, 2014, 5:07:29 AM