parseInt("08")= 0 ? 2

[Guest_imported]

parseInt("08&quot and parseInt("09&quot gives 0.
from "01" to "07" parseInt() works fine.
Any reason?

 

[jaredn]

not sure why that happens, this works though:

t='08'
k=new Number(t)
alert(k) jared@aauser.com

 

[iza]

you have to specify the base (not sure of the english word here !! i mean : binary, decimal, octo-something, hex ... is it radix ??)
the proper syntax is : parseInt(string, base) and if you don't supply the base part here is how it goes :
If the input string begins with &quot;0x&quot;, the radix is 16 (hexadecimal). <---- your case !
If the input string begins with &quot;0&quot;, the radix is eight (octal).
If the input string begins with any other value, the radix is 10 (decimal).
If the first character cannot be converted to a number, parseInt returns NaN.

ok this part (in blue) was stoleen from devedge doc :-/

 

[PepperPepsi]

iza is right, so in your case you need to do parseInt(&quot;08&quot;,10) to return 8 Chiu Chan
cchan@gefmus.com

http://www.emagine-solutions.com

 

[KevinFSI]

Good answer iza. I don't think bepuzzled is in hex though. If he's going from 0-7 just fine, he's in octal. Am I wrong? I thought hex went:

0 = 0
1 = 1
2 = 2
.
.
.
9 = 9
10 = A
11 = B
12 = C
13 = D
14 = E
15 = F

If bepuzzled were in hex he/she should have been able to get to nine before noticing something was wrong. Kevin
slanek@ssd.fsi.com

 

[iza]

you're right kevin, if 0->7 are fine and 8+ is not, it's likely to be in octal !!!! so it was the 2nd case : it starts with &quot;0&quot; --> octal ! thanx

 

[KevinFSI]

Still a pretty darn good answer though! Kevin
slanek@ssd.fsi.com

 

[iza]

i've been stuck on this for a while myself (a few month ago ...) !! this is so tricky and i was so happy to discover the workaround that i felt to tell it to the whole world ;-) thanx to tek-tips i can share it with a few people

 

[Guest_imported]

Thanks everyone for giving precious time to this problem! Thankyou Iza for digging out that very convincing explanation... That was some piece of work!

This is one helluva forum!