splice Method
Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements. Returns the elements removed from the array.
function splice(start : Number, deleteCount : Number [, item1 : Object [, ... [, itemN : Object]]]]) : Array
Arguments
start
Required. The zero-based location in the array from which to start removing elements.deleteCount
Required. The number of elements to remove.item1, ... , itemN
Optional. Elements to insert into the array in place of the deleted elements.
Remarks
The splice method modifies the array by removing the specified number of elements from position start and inserting new elements. The deleted elements are returned as a new array object.