, October 30, 2008 3:28 AM
To: Flash Coders List
Subject: Re: [Flashcoders] AS3 - Checking if a Function Exists
Hi Steven,
Thanks for the explanation.
If you mean Moock's Essential Actionscript, I've had a read of that
section and AFAICS it doesn't mention a bug.
The only r
Hi Steven,
Thanks for the explanation.
If you mean Moock's Essential Actionscript, I've had a read of that
section and AFAICS it doesn't mention a bug.
The only real issue I know of in try/catch do with return is that
you shouldn't put a return in a finally clause, because finally gets
e
There's a bug if you return in a try or catch (maybe it's just catch). Colin
Moock mentions it in his AS3 book. I personally think it's cleaner to return
after a try catch because try catch is not an if else and really shouldn't be
treated as such, but that might be because I have avoided retu
Thanks for the tip, Steven - any info as to why? If the error is
thrown, the function returns; if it isn't thrown, the function
returns. Is this just 'good practice' - if so, instead of blindly
following dogma, I'd like a little insight as to _why_ it's good
practice?
(I've had issues like this in
- Original Message -
From: "Steven Sacks" <[EMAIL PROTECTED]>
To: "Flash Coders List"
Sent: Wednesday, October 29, 2008 2:20 AM
Subject: Re: [Flashcoders] AS3 - Checking if a Function Exists
Do not call return in a try catch.
Are you suggesting that as ba
Do not call return in a try catch.
Ian Thomas wrote:
Method:
public static function refExists(obj:Object,name:String):Boolean
{
try
{
if (obj[name]!=null)
return true;
}
catch (e:ReferenceError) {}
return false;
}
: Flash Coders List
> Subject: Re: [Flashcoders] AS3 - Checking if a Function Exists
>
> Method:
>
>public static function refExists(obj:Object,name:String):Boolean
>{
>try
>{
>if (obj[name]!=null)
>return true;
>
This is great - thank you
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ian Thomas
Sent: 28 October 2008 08:46
To: Flash Coders List
Subject: Re: [Flashcoders] AS3 - Checking if a Function Exists
Method:
public static function refExists
Method:
public static function refExists(obj:Object,name:String):Boolean
{
try
{
if (obj[name]!=null)
return true;
}
catch (e:ReferenceError) {}
return false;
}
HTH,
Ian
On Tue, Oct 28, 2008 at 8:36 AM, Ian Thomas
Or, thinking about it, you could catch the reference error in a
try/catch block. It's more of a kludge, but might give you much higher
performance!
Ian
On Tue, Oct 28, 2008 at 8:33 AM, Ian Thomas <[EMAIL PROTECTED]> wrote:
> I'm afraid I don't think either Han's or Steven's solutions work in
> AS
I'm afraid I don't think either Han's or Steven's solutions work in
AS3 - you'd still get a ReferenceError (unless currentSection is
dynamic).
I'd do it using flash.utils.describeType, like so:
import flash.utils.describeType;
:
var desc:XML=flash.utils.describeType(currentSection);
if (desct.
if (currentSection.refresh)
{
currentSection.refresh();
}
Karim Beyrouti wrote:
Hello Group -
This should be really easy. I am trying to find out how to check if a
function exists or not in AS3 -
I tried this:
If ( currentSection.refresh != null ) {
currentSect
If ( currentSection["refresh"] != null ) {
currentSection["refresh"]();
}
?
grtz
JC
>
> On Mon, Oct 27, 2008 at 3:02 PM, Karim Beyrouti <[EMAIL PROTECTED]> wrote:
>> Hello Group -
>>
>> This should be really easy. I am trying to find out how to check if a
>> fu
Hello Group -
This should be really easy. I am trying to find out how to check if a
function exists or not in AS3 -
I tried this:
If ( currentSection.refresh != null ) {
currentSection.refresh();
}
But I get "ReferenceError: Error #1069: Property refresh no
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