Flex: Access member variable by using a variable in the name

Question

How can I access the member variable of an object by using a variable in the name.

Example:

Entries Object has properties 1, 2, 3, 4, 5. Normally I would access them by

var i : int = Entries.1;
var i : int = Entries.2;

However, if I have a loop

for (var j : int = 1; j < 6; j++){
  trace(Entries[j]);
}

does not work.

 Entries.(j)
 Entries.j

neither.

What's the way to go?

Entries.hasOwnProperty("j")

also does not work to check if the member exists.

Thanks!

How are you creating the Entries object? In my testing, I can access numerically named properties just fine using Entries[j]. — David
– David, Commented Aug 17, 2009 at 21:04
without converting them to a string? The Entries object comes from the backend via ZendAMF. It gets mapped to a Standard Object in Flex with a couple of members. In debug mode I can see them with [1], [2], [3] as members of the object. — Martin
– Martin, Commented Aug 18, 2009 at 8:13

CookieOfFortune · Accepted Answer · 2009-08-17 20:55:55Z

3

Entries.hasOwnProperty("j")

does not work because you're sending it "j" as a string, you need to convert the integer variable j to a string, therefore representing the number you are looking for. Eg:

Entries.hasOwnProperty(j.toString());

So to extract the property from your object, you can do:

for(var j:int = 1; j < 6; j++)
{
    trace(Entries[j.toString()]);
}

answered Aug 17, 2009 at 20:55

CookieOfFortune

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1 Comment

Martin Over a year ago

Thanks a lot! I did not that I needed to convert it to a String. Works perfectly now.

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