Summary Deprecate the Nashorn JavaScript script engine and APIs, and the jjs tool, with the intent to remove them in a future release. Motivation The Nashorn JavaScript engine was first incorporated into JDK 8 via JEP 174 as a replacement for the Rhino scripting engine. When it was released, it was a complete implementation of the ECMAScript-262 5.1 standard. With the rapid pace at which ECMAScrip