For web developers, &brandShortName; provides several tools to aid in
developing and debugging Web applications. Some of these are optional
installs. To access these tools, open the Tools menu and choose Web
Development.
Error Console: a console window that reports problems
with JavaScript and CSS code in
Web applications and the &brandShortName; application itself. By default,
CSS parsing errors and JavaScript errors are displayed. The console can
also be used to display logged messages from
XUL and JavaScript code.
DOM Inspector: a tool that can be
used to inspect and edit the DOM of any web document or XUL
application.
JavaScript Debugger: also known as Venkman, this utility
allows you to debug JavaScript in &brandShortName;. It supports stepping,
breakpoints and many other features.