Angular and IE7

AngularJS is a great framework but there is some ambiguity on their site related to support for old versions of IE. For instance the docs reference IE7 specifically and there is even even discussion in the comments related to IE6. However, it seems that functionality is limited in versions lower than IE8. Angular is being tested with IE8 and above:

What browsers does Angular work with?

We run our extensive test suite against the following browsers: Safari, Chrome, Firefox, Opera, IE8, IE9 and mobile browsers (Android, Chrome Mobile, iOS Safari). Angular FAQ

An explanation for the decision to cease support for IE7 can be found in this presentation (starting at 36:18 in the video):

Q. Which browsers do you support?

A. "…IE starting from version 8. You could do 7 but we just gave up on 7….not because its impossible… it is just so painful to debug… we just said this is a waste of time, lets just focus on IE8." Igor Minar

Seeing that IE7 has less than 2% of the browser market it probably is a waste of time for the Angular team to dedicate resources to this work.

Source: StatCounter Global Stats - Browser Version (Partially Combined) Market Share

But if you are in the unfortunate situation of having to support IE7, you may want to consider options other than Angular.