javascript - parseInt'ing Infinity with a radix -


this question has answer here:

i reading twitter when came across tweet said..

parseint(1/0,19); //18

of course, in js, divided 0 infinity, radix 19 mean, , why infinity radix 19 parsed 18?

other radix, such 16, or 10 (default) yield "nan", what's special radix 19?

upper-case letters used in bases above 10, , ninth letter of alphabet. thus, it's 1 less 19.


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