Nice work! Most of these are pretty good. If you're a hiring manager reading this though, I'd caution against asking questions like "is using the + or unary plus operator the fastest way in converting a string to a number?" because it really doesn't matter and you shouldn't make hiring decisions based on one's knowledge of that.
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Nice work! Most of these are pretty good. If you're a hiring manager reading this though, I'd caution against asking questions like "is using the + or unary plus operator the fastest way in converting a string to a number?" because it really doesn't matter and you shouldn't make hiring decisions based on one's knowledge of that.