The hasOwnProperty method available in all objects does exactly this.
http://livedocs.adobe.com/flex/3/langref/Object.html#hasOwnProperty()
Why it is called hasOwnProperty rather than hasProperty I have no idea.
2009/1/19 dorkie dork from dorktown <dorkiedorkfromdorkt...@gmail.com>:
> late night... thanks
>
> On Sun, Jan 18, 2009 at 10:05 AM, Ralf Bokelberg <ralf.bokelb...@gmail.com>
> wrote:
>>
>> doesn't try catch help here? If no error is thrown, isset returns true
>>
>> ralf
>>
>> On Sun, Jan 18, 2009 at 1:46 PM, dorkie dork from dorktown
>> <dorkiedorkfromdorkt...@gmail.com> wrote:
>> > I have a PHP statement that I am trying to write in AS3. So far it
>> > errors
>> > out because the properties do not exist on it yet. How would/should I
>> > rewrite this for AS3? Here is the statement:
>> >
>> > // at the time this is run "this.language_data" is an object with 2
>> > properties
>> > // the "STYLES" property does not exist yet and it generates a
>> > // TypeError: Error #1010: A term is undefined and has no properties.
>> > if (isset(this.language_data['STYLES']['BRACKETS'][0])) {
>> >
>> > ddfd
>> >
>> >
>
>
