Add-ons
Developer Assistant 0.3.0.20140917.1-signed.1-signed Requires Restart
توسط Ted Mielczarek, Gavin Sharp, Brett Zamir
A suite of tools for developers.
![[Warning]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=58a99cbb-667a0970)
اجازهها
دربارهی این افزودنی
A suite of tools for extension developers, including an interactive JavaScript shell, HTML and XUL editors with live preview, regular expression and XPath testers, and a tool for packaging extensions.
