JavaScript’s built-in objects include Object, JSON, console, String, Math, Date, and the window and global objects. These are some of the most important and useful parts of the JavaScript language.

But JavaScript, always crucial to in-browser applications, now works for desktop applications via technology such as the Electron framework, for mobile applications via frameworks like React ...

With JDK 8 Java adds full JavaScript support plus some awesome extensions with Project Nashorn. In this article JavaScript expert Oliver Zeigermann explains the hows and the why's.