Nashorn

From APIDesign

Nashorn, the once new JavaScript engine got deprecated in JDK11. While it remains useful many projects, including NetBeans, are looking for a replacement that would be more secure and keep up with latest development in the JavaScript specifications.

OMG! Nashorn got Deprecated!

Watch an overview showing how easy it is to introduce Graal.js (a JavaScript engine developed as part of GraalVM project) into your application:

Clone graal-js-jdk11-maven-demo repository to get started. Download Apache NetBeans 10 to get the mixed Java and JavaScript debugging support.