# Dynamic Objects - Overview
Updated: 9/28/2020, 10:32:47 PM
Created: 9/28/2020, 10:32:47 PM
Last Updated By: Peter Schellenbach
Read Time: 1 minute(s)
A jBASE dynamic object can comprise either a list of values called an array or a list of key/value pairs called an object. An array is a vector and always maintains the same order in which it was created. An object is an unsorted list, and so when accessing the members of the object (e.g. through the $tojson() method or the $iterator) the order of the properties cannot be guaranteed.
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