parseInt returns an integer or NaN.
NaN is false when evaluated.
On the other hand, 0 will also be false when evaluated.
If it evaluates to 0, it must evaluate to true.
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Description of changes:
parseInt returns an integer or
NaN.NaNisfalsewhen evaluated. On the other hand,0will also befalsewhen evaluated. If it evaluates to0, it must evaluate totrue.By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.