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    Answers and rating deltas for
    Why do we use `Number.prototype.valueOf` inside of a `map()` function
| Author | Votes | Δ | 
|---|---|---|
| Techniv | 3 | +4.00 | 
| Zohaib Ijaz | 0 | -0.16 | 
| nicael | 0 | -0.34 | 
Last visited: Sep 16, 2016, 1:16:41 AM