The SAP Cloud SDK for JavaScript and TypeScript consists of multiple libraries to enable you to write side-by-side extensions on SAP Cloud Platform.
You can find tutorials that showcase some of the typical use cases on developers.sap.com.
If you have questions, you can reach out to us on StackOverflow using the tag sap-cloud-sdk and on answers.sap.com using the tag SAP Cloud SDK.
Also, you can browse our release notes to check out what's new in each version.