Client-side Java remains stagnant, but server-side JavaScript is back ... for such functions as binary object handling; concurrent threading; file, stream, and socket I/O; system logging; and ...

JavaScript is most often used in application front-ends, as a means of making web pages interactive or adding presentation logic to server-side components of the application. Java is often seen as a ...

Node.js is a JavaScript runtime environment ... competitive architectures that scale with threads, including Apache HTTP Server, the various Java application servers, IIS and ASP.NET, and Ruby ...