You can and should then pass the second radix parameter to parseInt: parseInt('08', 10) // => 8 This tells it explicitly that this is a base-10 number, ra

You can and should then pass the second radix parameter to parseInt: parseInt('08', 10) // => 8 This tells it explicitly that this is a base-10 number, rather than letting it guess at the base. You can also use this to decode things in base n, n <= 36.