Tern & ExtJS support - angelozerr/tern.java GitHub Wiki

tern.jsduck provides the extjs tern plugin which gives you a support for ExtJS.

After installing and converting your project as Tern Project, go at Tern project property, click on Tern / Modules item and select the extjs tern plugin and the version :

After that you can benefit with ExtJs completion :

Completion works for ExtJs method :

This ExtJs tern plugin can be used inside WebBrowser. You can see demo here.