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<!DOCTYPE html>
<html ng-app="sampleApp">
<head>
  <meta charset="utf-8">
  <title>Lab 18 - 訂閱屬性變更事件</title>
</head>
<body ng-controller="defaultCtrl">
    <dl>
        <dt>Name</dt>
        <dd><input ng-model="model.name" /></dd>
        <dt>Score</dt>
        <dd><input ng-model="model.score" /></dd>
    </dl>
  <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.14/angular.js"></script>
  <script>
    angular.module("sampleApp", [])
    .controller("defaultCtrl", function($scope) {
      function myViewModel() {
        var self = this;
        self.name = "Jeffrey";
        self.score = 32767;
      }
      var vm = new myViewModel();
      $scope.model = vm;
      //透過$watch關注Scope內屬性的變化
      $scope.$watch("model.name", function(newValue, oldValue) {
        console.log("name=" + newValue);
      });
      $scope.$watch(function(scope) {
        return scope.model.score;
      }, function(newValue, oldValue) {
        console.log("score: " + oldValue + "->" + newValue);
      });
    });
  </script>
</body>
</html>
 
​
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