New features in ECMAScript 2022 include top-level await, RegExp match indices, new public and private class fields, and more. Let's get started!

JavaScript scripts can be created in any text editor, such as Notepad and WordPad, but must be saved with a ".js" extension to be functional. Create a new text file and name it "timer.js." ...

JavaScript on the JVM is better and faster but not always friendlier with Nashorn, the rebuilt JavaScript interpreter. Martin Heller takes the new Rhino's two command-line script runners for a ...