StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
I want to Append & Remove by optgroup dropdown
| Author | Votes | Δ |
|---|---|---|
| magento12345 | 2 | +3.90 |
| vicnoob | 0 | -3.90 |
Last visited: Dec 6, 2017, 2:02:39 AM