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Groups > comp.lang.java.programmer > #30006
| Date | 2014-09-17 19:58 +0300 |
|---|---|
| From | Donkey Hottie <donkey@fredriksson.dy.fi> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Java ScriptEngine with a JavaScript returning what? |
| References | <vjhmeb-ecd.ln1@tempest.fredriksson.dy.fi> <lvad3j$qta$1@dont-email.me> |
| Message-ID | <47roeb-g68.ln1@tempest.fredriksson.dy.fi> (permalink) |
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?
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Java ScriptEngine with a JavaScript returning what? Donkey Hottie <donkey@fredriksson.dy.fi> - 2014-09-16 23:02 +0300
Re: Java ScriptEngine with a JavaScript returning what? Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-09-16 18:20 -0400
(was: Re: Java ScriptEngine with a JavaScript returning what?) Robert Klemme <shortcutter@googlemail.com> - 2014-09-17 08:24 +0200
Re: Re: Java ScriptEngine with a JavaScript returning what?) "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-09-17 09:48 +0100
Re: Java ScriptEngine with a JavaScript returning what?) Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-09-17 08:32 -0400
Re: Java ScriptEngine with a JavaScript returning what?) Donkey Hottie <donkey@fredriksson.dy.fi> - 2014-09-17 20:08 +0300
Re: (was: Re: Java ScriptEngine with a JavaScript returning what?) Donkey Hottie <donkey@fredriksson.dy.fi> - 2014-09-17 19:56 +0300
Re: (was: Re: Java ScriptEngine with a JavaScript returning what?) Robert Klemme <shortcutter@googlemail.com> - 2014-09-17 19:35 +0200
Re: Java ScriptEngine with a JavaScript returning what? Donkey Hottie <donkey@fredriksson.dy.fi> - 2014-09-17 19:58 +0300
Re: Java ScriptEngine with a JavaScript returning what? "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-09-17 18:41 +0100
Re: Java ScriptEngine with a JavaScript returning what? Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-09-17 13:57 -0400
Re: Java ScriptEngine with a JavaScript returning what? Donkey Hottie <donkey@fredriksson.dy.fi> - 2014-09-17 21:12 +0300
Re: Java ScriptEngine with a JavaScript returning what? Donkey Hottie <donkey@fredriksson.dy.fi> - 2014-09-17 21:14 +0300
Re: Java ScriptEngine with a JavaScript returning what? Donkey Hottie <donkey@fredriksson.dy.fi> - 2014-09-17 21:17 +0300
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