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An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How to implement optional chaining / checking nested object properties using VanillaJS or Lodash
| Author | Votes | Δ | 
|---|---|---|
| Gruff Bunny | 2 | +0.44 | 
| Khauri | 0 | -3.51 | 
Last visited: Nov 1, 2017, 4:58:46 AM