How to add validation attributes in an angularjs directive

Question

I am trying to write an angular directive that adds validation attributes to the tag, but it doesn\'t seem to be working. Here is my demo. You will notice that \"Is Valid\

Answer 1

I know this is quite an old question, but for what it's worth, the angular docs describe ng-required which takes a boolean value. This solved a similar problem I was having.

http://docs.angularjs.org/api/ng/directive/input