Inquiring about monitoring a date object in AngularJS?

Is it possible to monitor a date in angularJS? I have an ng-model that has a date and I would like to monitor it so that I receive a notification when it changes month, year, or day.

scope.$watch('ngModel',function(newVal){
    console.log(newVal);
  },true);

In my controller, I am passing a date object to a directive. Now, I want to monitor that date object.

module.directive('Datepicker',function(){
return {
 restrict:'E',
 scope:{
   ngModel:"="
 },
 link: function(scope, element, attrs) {
    //..other code here
    scope.$watch('ngModel', function(newVal) {
        console.log(ngModel);
    }, true);
  }
 }
});

Answer №1

It is important to remember when working with directives that you should utilize attrs.ngModel instead of just ngModel. This should be implemented within the link/compile function of the directive for proper functionality.

Sample Code

app.directive('myDirective', function() {
    return {
        'restrict': 'E',
        scope: { ngModel: '='},
        link: function(scope, element, attrs, ngModel) {
            //..additional code goes here
            scope.$watch('$parent.'+ attrs.ngModel, function(newVal) {
                console.log(newVal);
            }, true);
        }
    };
});

Answer №2

Ensure that your ngModel is easily accessible via the $scope variable:

function myController($scope){
   $scope.date = new Date()
      $scope.$watch('date',function(updatedVal,oldVal){
         //insert your code here
      },true)
}

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