Specify custom behavior on keypress event.
<ANY
  ng-keypress="expression">
...
</ANY>
      | Param | Type | Details | 
|---|---|---|
| ngKeypress | expression | 
         Expression to evaluate upon
keypress. (Event object is available as   | 
    
<input ng-keypress="count = count + 1" ng-init="count=0">
key press count: {{count}}