---
title: "Various JavaScript modules"
manual: "TYPO3 Explained"
version: "11.5"
permalink: "https://docs.typo3.org/permalink/t3coreapi:modules@11.5"
source: "ApiOverview/JavaScript/Modules/Index.rst"
rendered: "2026-10-21T15:30:00+00:00"
---

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# Various JavaScript modules {#modules}

The following APIs are usually used in the TYPO3 backend by the Core itself but may also
be used by extensions.

**Contents:**

-   [Modals](https://docs.typo3.org/permalink/t3coreapi:modals@11.5)
-   [Multi-step wizard](https://docs.typo3.org/permalink/t3coreapi:multi-step-wizard@11.5)
-   [DocumentService (jQuery.ready substitute)](https://docs.typo3.org/permalink/t3coreapi:documentservice-jquery-ready-substitute@11.5)
-   [SessionStorage wrapper](https://docs.typo3.org/permalink/t3coreapi:sessionstorage-wrapper@11.5)