It is powerful editor for JavaScript, XUL/XBL, Laszlo, SVG, Silverlight and Yahoo! Widget development. The JavaScript editor provides features like code completion, syntax highlighting and content outline that helps developers productively create efficient JavaScript code.
It can run as a standalone application or as an Eclipse plugin.
New features including:
1. Toggle Mark Occurrences for JavaScript was added
2. Add/Remove comment for JavaScript was added
3. Minor bugfixes and feature enhancements