Hangun’s World – Blog

every(callback:Function, thisObject:* = null):Boolean
Executes a test function on each item in the array until an item is reached that returns false for the specified function.

some(callback:Function, thisObject:* = null):Boolean
Executes a test function on each item in the array until an item is reached that returns true.

filter(callback:Function, thisObject:* = null):Array
Executes a test function on each item in the array and constructs a new array for all items that return true for the specified function.

forEach(callback:Function, thisObject:* = null):void
Executes a function on each item in the array.

indexOf(searchElement:*, fromIndex:int = 0):int
Searches for an item in an array by using strict equality (===) and returns the index position of the item.

lastIndexOf(searchElement:*, fromIndex:int = 0x7fffffff):int
Searches for an item in an array, working backward from the last item, and returns the index position of the matching item using strict equality (===).

quote from ActionScript 3.0 Language and Components Reference