Can a javascript dropdown in-email like G+ be implemented by anyone, or only Google? -
noticed today great trinket google: in notification emails upon new g+ followers, recipient can add circle directly dropdown in email. (see below).
the html page shows related div
has been attached end of body, suggesting div di not 'ship with' email , displayed via in-email javascript.
is kind of interactivity available engineer / product developer? google gets because control gmail services?
the google+ integration see specific gmail:
http://gmailblog.blogspot.com/2012/05/better-google-notification-experience.html
in general not able run javascript in gmail or other webmail providers due security concerns. there ways of making more interactive emails, platform specific. example:
- gmail offers contextual gadgets (used xobni , other inbox apps)
- outlook/hotmail offers active views