Create mozilla extension to display a popup and iframe in it

Question

Am trying to develop a mozilla extension. I just need to display an iframe in a popup, but don\'t know how to do this.

My requirement is

1. Add a extension b

Answer 1

With the Addon-SDK, you can use a panel, which is essentially a popup iframe.

const { Panel } = require('sdk/panel');
let panel = Panel({
  contentURL: 'http://mozilla.com',
  width: 600,
  height: 600
});
panel.show();

Hooking it into a toolbar button, there are community created modules that allow that make it easy to trigger the panel as well.