Now Krause is back with a new tool that lets anyone see JavaScript commands injected through an in-app browser.

The command line allows you to enter and execute JavaScript commands straight from the Firebug sidebar. The functions available in the API allows you to maneuver, monitor and investigate web page ...

The wizard walks novice users through complex situations to create JavaScript commands and HTML files without ever needing to show them a line of code.

What is a Bookmarklet? The term bookmarklet comes from the words bookmark and applet, and is a browser bookmark that contains JavaScript commands to extend the browser’s functionality.