If value is Null then 0.00

[Dan Acuff]

Am I doing the syntax correctly here?

It is supposed to subtract the discount value from the subtotal. But I am not getting any results. I have also tried '' in place of null.

  var google_conversion_value = #{customerSession.receiptOrder.subtotal} - #{customerSession.receiptOrder.discount ? null : '0.00'};  

:banghead:

[fred rosenberger]

the ternary operator should look like this:

boolean ? type : type

so...is customerSession.receiptOrder.discount a boolean? My guess is that it's not, but I can't tell from this code snippet.

The two things you might return should be the same...and int and an int, or a string and a string. 'null' (I think) can be anything, so it probably works in place of a float, which is what you get with your 0.0.

In short, I don't think this is right. I thing you want something like

customerSession.receiptOrder.discount is null ? 0.0 : customerSession.receiptOrder.discount

[Dan Acuff]

Ahh a ternary operator is what it is called huh... nice.

Thanks for getting me straightened out, I came up with this working expression.

  var google_conversion_value = #{customerSession.receiptOrder.subtotal} - #{customerSession.receiptOrder.discount eq null ? '0.0' : customerSession.receiptOrder.discount};
  ///SS_JS_SubTotal - SS_JS_Discount  

Thanks for your help!

[David Newton]

I'm confused. Is this Java? It doesn't look like Java. It looks more like some sort of EL. In any case, which forum should it be in?

[Rob Spoor]

EL is JSP, isn't it? But I can't remember seeing "var" in EL (but then again, it's been a while). I first thought it was JavaScript but the # and eq aren't part of that.

[David Newton]

There are many ELs; JSP EL, Unified EL, MVEL, OGNL, ... Any of which can be used outside of JSP.

[Rob Spoor]

Ah ok.

[Campbell Ritchie]

David Newton wrote: . . . which forum should it be in?

Let's try for another forum