Hi All
Still cant get this to work. Maybe to explain the context a little
more.
The TW is seen over the web and participantes need to access
information on a dvd that they have......so TW needs to know the drive
number for the DVD drive for their computer. So the tiddler
CDriveNumber has a bit of text explaining why this is necessary and
then the line <<option txtDVD>> thinking that the first time they
open the file.....the line
<<tiddler CDriveNumber if:{{config.options.txtDVD===false}}>> will
trigger and allow them to input the appropriate number (actually a
letter)........however on re-opening this code is seen as false and
the CDriveNumer tiddler displayed........and the <<option txtDVD.. box
is howing the previously defined paramenter....so txtDVD is
defined....but the conditional if is not evaluating it ????
Help
Skye
On Nov 22, 8:54 pm, Eric Shulman <elsdes...@gmail.com> wrote:
> > <<tiddler CDriveNumber if:{{config.options.txtDVD == "undefined"}}>>
>
> try this:
>
> <<tiddler CDriveNumber if:{{config.options.txtDVD===undefined}}>>
>
> * omit the quotes around undefined. It is a javascript intrinsic
> constant, rather than a string literal.
> * use the "exactly equal" operator (===) rather than the normal
> equality (==). In Javascript, the constants: 0, false, undefined and
> "" (empty text string) are all equivalent when compared using ==, but
> are distinct values when compared using ===.
>
> Note: support for the <<tiddler ... if:{{...}}>> parameter usage is
> added by a "tweak" contained in
> http://www.TiddlyTools.com/#CoreTweaks
>
> enjoy,
> -e
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