MACROMEDIA FLASH MX 2004-ACTIONSCRIPT LANGUAGE Reference page 63

The following example shows how array and object initializers can be nested within each other:
var person:Object = {name:"Gina Vechio",
children:["Ruby", "Chickie", "Puppa"]};
The following example uses the information in the previous example and produces the same
result using constructor functions:
var person:Object = new Object();
person.name = "Gina Vechio";
person.children = new Array();
person.children[0] = "Ruby";
person.children[1] = "Chickie";
person.children[2] = "Puppa";
The previous ActionScript example can also be written in the following format:
var person:Object = new Object();
person.name = "Gina Vechio";
person.children = new Array("Ruby", "Chickie", "Puppa");
See also
, , Object class
[] (array access) new
{} (object initializer) 63