Comments (3)
The JSDoc is wrong here, n
could be a value of any type, this function is testing to see if it is a number and in the value space of a JSON number - i.e. not infinity or NaN.
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Sorry, I perhaps buried the lede here. That call to parseFloat
seems completely superfluous here. We know (because of the typeof
that n
is a number. Calling parseFloat
with a number just returns the argument (as far as I can tell). So you don't need the variable num
here...you could just use n
since they should be identical. Or am I missing something?
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Ah yes, good point. I'll remove that.
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