In Marketing Cloud, we use Core server-side JavaScript functions to personalize landing pages and create applications to run on Marketing cloud. It provides function to work with messages, landing pages, and applications
https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/ssjs_serverSideJavaScript.html
We are going to look into some of the SSJS and compare it with AMPscript
Thank you
Vivial Media LLC
Integration Lead