parseInt("07") // => 7
parseInt("08") // => NaN
This is a great reason for a 20 minutes long debugging session :(
Wednesday, July 8, 2009
Nasty JavaScript catch
JavaScript definitely has some rough edges. Consider this:
This is a great reason for a 20 minutes long debugging session :(
This is a great reason for a 20 minutes long debugging session :(
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2 comments:
Starting a numeric string with a zero marks it as being in oct format?
You should always supply a base number as the second argument when using parseInt() - base 10 in this instance. You can never rely on it being accurate 100% of the time especially if the user can input the string.
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