Можно ли вызвать наблюдатель трассировки полимера в javascript

#javascript #angularjs #polymer-1.0

Вопрос:

Аналогично и в angularjs, возможно ли отслеживать наблюдателя angularjs

введите описание изображения здесь

Ценю ваше время за то, что уделили внимание моей проблеме.

index.html

 <!DOCTYPE html>
<html>
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<body ng-app="myApp" ng-controller="userCtrl">

<div class="w3-container">

<h3>Users</h3>

<table class="w3-table w3-bordered w3-striped">
  <tr>
    <th>First Name</th>
    <th>Last Name</th>
  </tr>
  <tr ng-repeat="user in users">
    <td>{{ user.fName }}</td>
    <td>{{ user.lName }}</td>
  </tr>
</table>
<br>
<button class="w3-btn w3-green w3-ripple" ng-click="testWatcher();">amp;#10004; Test watcher</button>
</div>

<script src= "myUsers.js"></script>

</body>
</html>
 

myUsers.js

 angular.module('myApp', []).controller('userCtrl', function($scope) {
    $scope.fName = '';
    $scope.users = [
    {id:1, fName:'Hege', lName:"Pege" },
    {id:2, fName:'Kim',  lName:"Pim" },
    {id:3, fName:'Sal',  lName:"Smith" },
    {id:4, fName:'Jack', lName:"Jones" },
    {id:5, fName:'John', lName:"Doe" },
    {id:6, fName:'Peter',lName:"Pan" }
    ];

    $scope.$watch('fName', function() {
        $scope.test();
    });

    $scope.test = function() {
    // when watch triggers, I'll be executing
    };

    $scope.testWatcher = function() {
        $scope.callingFunc();
    };

    $scope.callingFunc = function() {
        $scope.fName  = 'Anuj';
    };

});
 

Adding this sample code to explain my problem. I hope it would be better to understand now. Thanks again.