AngularJS: Parent scope is not updated in directive (with isolated scope) two way binding

Question

I have a directive with isolated scope with a value with two way binding to the parent scope. I am calling a method that changes the value in the parent scope, but the chang

Answer 1

Use $scope.$apply() after changing the $scope.myValue in your controller like:

testApp.controller('testCtrl', function ($scope) {
    $scope.myValue = '1';
    $scope.update = function () {
        // Expecting local variable k, or $scope.pkey to have been
        // updated by calls in the directive's scope.
        console.log('CTRL:', $scope.myValue);
        $scope.myValue = "2";
        $scope.$apply();
        console.log('CTRL:', $scope.myValue);
    };
});