javascript problem with parseint [duplicate]

This question already has answers here: Closed 11 years ago.

Possible Duplicate:

Workarounds for JavaScript parseInt octal bug

I am trying to parse an integer number.

a = parseInt("0005")  <- gives 5
a = parseInt("0008")  <- gives 0

Can someone explain what's happe开发者_开发问答ning? It doesn't make any sense to me.

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When parseInt has a leading 0 and a radix parameter isn't specified, it assumes you want to convert the number to octal. Instead you should always specify a radix parameter like so:

a = parseInt("0008", 10) // => 8

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Numbers starting with 0 are parsed as octal by parseInt, unless you specify a radix to use.

You can force parseInt to parse as decimal by doing

a = parseInt("0008", 10)