> -----Original Message----- > From: thelist-bounces at lists.evolt.org > [mailto:thelist-bounces at lists.evolt.org]On Behalf Of > christof.hoeke at e-7.com > Sent: Thursday, November 27, 2003 8:01 AM > To: thelist at lists.evolt.org > Subject: [thelist] javascript detecting if function/var is already > defined > > > hi, > i have a problem with a script which depends on a function x() > which may be defined or not, depending on the page. > normally i (at least i think it worked) tried to find out if x is > available by checking > > if (x == "undefined") Try this if (typeof x == "undefined") Walter