Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
  <input type='text' ng-model='input'  ng-click="myFunction(2)">
</div>

JavaScript

var myApp = angular.module('myApp',[]);

function MyCtrl($scope) {

   $scope.input = 1;
   $scope.myFunction = function(value) {
   
		$scope.input = value;
  }
}