> CF equates TRUE as being the number 1 and False as being 0. So if you
> specify myvar to being anything other than 0 or 1, then the
> variable myvar
> is considered neither true nor false.
With respect, this isn't actually true...
Try this:
<cfset this = 2>
<cfif this>
TRUE
<cfelse>
FALSE
</cfif>
evaluates to TRUE.
If a numeric value is anything other than 0 then CF equates it to TRUE. This
also includes negative values... so -1 will also equate to TRUE.
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Senior Web Designer
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> -----Original Message-----
> From: Tim Painter [mailto:[EMAIL PROTECTED]]
> Sent: 18 April 2001 11:58
> To: CF-Talk
> Subject: Re: <cfif myvar IS true> vs <cfif myvar>
>
>
> Bert,
>
> CF equates TRUE as being the number 1 and False as being 0. So if you
> specify myvar to being anything other than 0 or 1, then the
> variable myvar
> is considered neither true nor false.
>
> When you say <cfif myvar> it it is the same as saying <cfif
> myvar is TRUE>
> or <cfif myvar eq 1>
> likewise, <cfif NOT myvar> is saying <cfif myvar is FALSE>
> or <cfif myvar
> eq 0>
>
>
> ----- Original Message -----
> From: "Bert" <[EMAIL PROTECTED]>
> To: "CF-Talk" <[EMAIL PROTECTED]>
> Sent: Wednesday, April 18, 2001 6:19 AM
> Subject: <cfif myvar IS true> vs <cfif myvar>
>
>
> > There seems to be a difference in the outcome of <cfif
> myvar IS true> and
> <cfif myvar>, when myvar is a number but neither 0 nor 1.
> >
> > Is this a feature to be used, or a bug, or have i missed something?
> >
> > Bert
> >
> > ps save the code below as trueorfalse.cfm to see what i mean:
> >
> > <cfparam name="myvar" default="2">
> >
> > <cfoutput>
> >
> > <b>#myvar#:</b>
> > <cfif myvar IS true>
> > myvar IS true
> > <cfelseif myvar IS false>
> > myvar IS false
> > <cfelse>
> > cfelse (i.e. NOT "myvar IS true" OR "myvar IS false")
> > </cfif>
> > <br>
> >
> > <b>#myvar#:</b>
> > <cfif myvar>
> > myvar
> > <cfelseif NOT myvar>
> > NOT myvar
> > <cfelse>
> > cfelse (i.e. NOT "cfif myvar" OR "cfif NOT myvar")
> > </cfif>
> >
> > <form action="trueorfalse.cfm" method="post">
> > <input type="text" name="myvar" value="#myvar#">
> > <input type="Submit">
> > </form>
> >
> > </cfoutput>
> >
> >
> >
>
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