Array.length == 0 for a filled Array!

[Chuck Taylor]

var ar:Array = new Array();
ar['a'] = 'Ha';
ar['b'] = 'Durr';

trace('LEN: '+ ar.length); // 0
trace('CONT: ' + ar['b']); // Durr

Isn't the Array class suppose to keep track of items added to it?

[Paul Ferrie]

var ar:Array = new Array();
ar[0] = 'Ha';
ar[1] = 'Durr';

array index should be a integer

[Chuck Taylor]

You mean AS doesn't support Associative Arrays? I rememer reading somewhere that the Associative Array support in JavaScript is only apparent. In reality, it doesn't support Associative Arrays. And to demonstrate the fact they had used a code similar to mine, now I remember.

Probably it's the same in AS. With all these OOP, they should have incorporated support for Associative Arrays too.

[Tink]

var ar:Array = new Array();
ar['a'] = 'Ha';
ar['b'] = 'Durr';

basically creatse attributes on the array but they are not inserted into the array list itself.

[cybergatuno]

You may simulate "associative arrays" by using objects:

var list:object = new Object ();
list['a'] = "haha";
list['b'] = "hoho";
for ( var name:String in list ) {

[cybergatuno]

You may simulate "associative arrays" by using objects:

var list:object = new Object ();
list['a'] = "haha";
list['b'] = "hoho";
for ( var name:String in list ) {
trace ( name + " = " + list[name] );
}

[hangalot]

i would recomend using the Dictionary class when making associative arrays.

[senocular]

All dynamic objects in Flash (including arrays) function as "associative arrays" in that they can contain any number of values with a dynamic variable identifer (property name), a, b, your cat's name, whatever, with each of these properties enumerable through a for in loop.

Array objects, however, do not count non-numeric indexes within their length property. If you need those indexes/properties counted, you can use a for in loop to count each object accessible in the enumeration, manually keep count through a custom property, or make a subclass of Proxy with its own length property that will keep a counter for all definitions created within the object.

The only difference with Dictionary objects is that their indexes are not limited to strings (or numbers) but can instead also include object values. Other objects such as object Object or Arrays will convert non-string keys into strings.

[hangalot]

as i recall a feature of the dictionary is weak refrencing as well.

[Assertnfailure]

yeah but if he just wants to use strings, then that's not gonna help him

[hangalot]

obviously you can use a string as well

[senocular]

as i recall a feature of the dictionary is weak refrencing as well.

That's true; dictionaries variables and listeners are the only weak listeners available in AS.