FrameMaker2019 no responding during searching & store elements by ExtendScript

in the future, to find the best place to post your message, use the list here, https://community.adobe.com/

p.s. i don't think the adobe website, and forums in particular, are easy to navigate, so don't spend a lot of time searching that forum list. do your best and we'll move the post if it helps you get responses.

<"moved from using the community">

We use "new Object" and "new Array" to store all necessary information. 

Which part of memeory is used by Extends ript? Is there any limitiation for memory usage?