Check if a input box is empty

Question

How can I check if a given input control is empty? I know there is $pristine property on the field which tells that if a given field is empty initially but what

Answer 1

Quite simple:

Please enter something!
Good boy!

You could also use ng-hide="somefield.length" instead of ng-show="!somefield.length" if that reads more naturally for you.

---

A better alternative might be to really take advantage of the form abilities of Angular:

  
  Please enter something!
  Good boy!
 

Updated Plnkr here.