Question

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Workarounds for JavaScript parseInt octal bug
How to parseInt a string with leading 0

document.write(parseInt("07"));

Produces “7”

document.write(parseInt("08"));

Produces “0”

This is producing problems for me (sorry for this babble, I have to or I can’t submit the question). Anyone know why it’s being stupid or if there is a better function?

Answer 1

If you argument begins with 0, it will be parsed as octal, and 08 is not a valid octal number. Provide a second argument 10 which specifies the radix – a base 10 number.

document.write(parseInt("08", 10));