How to get the version of ionic framework?

Run from your project folder:

$ ionic info

Cordova CLI: 5.0.0
Ionic Version: 1.0.1
Ionic CLI Version: 1.6.1
Ionic App Lib Version: 0.3.3
OS: Windows 7 SP1
Node Version: v0.12.2

If your CLI is old enough, it will say "info is not a valid task" and you can use this:

$ ionic lib

Local Ionic version: 1.0.1  (C:\stuff\july21app\www\lib\ionic\version.json)
Latest Ionic version: 1.0.1  (released 2015-06-30)
* Local version up to date

That is the version number of the Ionic CLI, which is different from the version number of Ionic's library. Here are a couple easy ways to check the version.

In the browser console, you can run ionic.version and it will print to the console what version it is.

You can also look at the bower.json file in your app, and it will show the version number like you see here. https://github.com/ionic-in-action/chapter5/blob/master/bower.json#L5

The method version on ionic object returns the current version in string format.