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Answers and rating deltas for
Why is there an isNaN() function in JavaScript but no isUndefined()?
| Author | Votes | Δ |
|---|---|---|
| James Donnelly | 27 | +1.31 |
| simonzack | 15 | +0.51 |
| Bergi | 3 | -1.38 |
| SteveA | 0 | -2.95 |
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