Subj : Re: JS_EvaluateScript strabge behaivor
To   : "Carlos F." <prohto@yahoo.com>
From : Brendan Eich <brendan@meer.net>
Date : Thu Feb 05 2004 01:02 pm

Carlos F. wrote:

>Hi all, 
>
>After I solved my problems with the GC, thanks to Brendan, now I'm
>having some trouble with the function JS_EvaluateScript. In some cases
>it return a invalid value at rval. The following is the code I'm
>running to evaluate and to get the returned string:
>
>     rts = JS_EvaluateScript( ctx, obj, Expr, Expr_len, "any", 0,
>&rval );
>     str = JS_ValueToString( ctx, rval);
>     s = JS_GetStringBytes( str );
>  
>

Check for errors, if you aren't.

>When Expr is "'This is the value of num '+num", I always get the right
>value. But if the expression is just "num" ( to get his value as
>string ), there are several times that I get a wrong value. ( num is
>defined ).
>  
>

I'm sorry, you really have to give exact inputs and outputs to get 
useful help.

>When I evaluate the two expresion, one after the other, in the first
>one I get the correct value, but on the second I get an old value.
>I hope somebody could give some ideas where I'm making the mistake.
>  
>

/be

>Best regards
>
>
>Carlos F.
>  
>

.