[Javascript] NaN

Tobias Barlind tobias.barlind at infostruct.se
Wed Nov 20 04:45:05 CST 2002


if (isNaN(x) == true) {
  //This is not a number, deal with it
}

-----Original Message-----
From: Iztok Polanic [mailto:iztokp at amis.net] 
Sent: den 20 november 2002 11:44
To: javascript at LaTech.edu
Subject: [Javascript] NaN

Hi!

I was trying to catch NaN (Not a Number) via
x = Number(something);
if (x == "NaN") {
...
}
and it does not work. Why? I'm using IE 6.0 and JS 1.5. Can somebody
tell me
what cained of error is IE 5.x throwing back to user?
TNX!

Bye,

Iztok

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