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Date: Wed, 17 Sep 2014 19:58:44 +0300
From: Donkey Hottie <donkey@fredriksson.dy.fi>
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Subject: Re: Java ScriptEngine with a JavaScript returning what?
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Xref: csiph.com comp.lang.java.programmer:30006

17.09.2014, 01:20, Eric Sosman kirjoitti:
> On 9/16/2014 4:02 PM, Donkey Hottie wrote:
>>
>> Consider a JavaScript:
>>
>>      var blah;
>>      blah;
>>
>> So what does the Java's
>>
>>      Object ScriptEngine::eval(String script) return now?
>>
>> blah is not null? Is it not undefined either? Java has no "undefined"
>> Object type.
>>
>> What will happen, what will be returned?
> 
>     null
> 
>     (Obtained by a five-minute experiment.  "Five" because I have no
> acquaintance with the scripting framework and had to read some doc;
> a better-versed person could have obtained the answer more quickly.)
> 

Actually I tried and experimented with this after I asked, and it
resulted to me that returning  null OR undefined will result as an
Exception, which is unacceptable for my purposes. So I will not return
those values from my script any more. An empty string '' works fine.

-- 

A day for firm decisions!!!!!  Or is it?