angularjs watch

by Akram kamal

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script>
<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css">
<body ng-app>
  <div ng-controller="MyCtrl">
    <input type="text" ng-model="name" placeholder="Enter your name">
    <p>{{greeting}}</p>
  </div>
</body>

JavaScript

function MyCtrl($scope) {
  $scope.name = "";

 $scope.$watch(function() {
  return $scope.name;
}, function(newValue, oldValue) {
  console.log("change detected: " + newValue)
});
}