I am developing an extension on Firefox\'s Addon SDK (v1.10).
My extension has a toolbarbutton that updates a small badge to its left based on the contents of the ac
Looking at the SDK source code (namely packages/api-utils/lib/tabs/tab.js), a tab object actually has a window property. I tested it and this works indeed:
packages/api-utils/lib/tabs/tab.js
tab
window
console.log(require("tabs").activeTab.window.title);
Not sure why this property isn't documented, probably a documentation bug.