The Greasemonkey add-on lets you customize Websites and browse the way you want to--if you're on Firefox. Here's how to get under the hood with Internet Explorer, Chrome, and Safari.

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 ...

To compose JavaScript scripts, they must be either managed in HTML, concatenated, injected, or manually fetched and evaluated. There is no native facility for scope isolation or dependency management.