Get Array Element Operator []

anArray[anIndex]

The operator [i] returns the i-th element of the array.

anIndex can be a static integer literal, an object of type Integer, or an action script language or expression returning an integer.

anArray

Can be any variable or object attribute having the type Array. 

anIndex

Can be any expression that evaluates to an integer.

Get a specific array element

Input: an array of names

{"names": ["Irene", "Eliza", "Raymond", "Jane", "David"]}

set name = names[1];

Result: name is Eliza.

Get the last array element

Input: an array of names

{"names": ["Irene", "Eliza", "Raymond", "Jane", "David"]}

set name = names[names.count()-1];

Result: name is David.

Get a property from a complex array element

Input: a list of articles

{ "articles": [
    {"name": "AF-1200", "price": 64.50},
    {"name": "AF-1400", "price": 72.50},
    {"name": "CD-2002", "price": 570.00}
]}

set price = articles[0].price;

Result: price is 64.50.