Communicating between sibling scopes in Angular

Question

Is this how to correctly communicate between two components that are scope siblings?

1. Ctrl1 emits event up to parent scope of both Ctrl1 and Ctrl2.
2. Par

Answer 1

Well - you don't technically need $emit when communicating up to parent controllers, the child has access. But you do need $broadcast when communicating down to a child scope:

app.controller("parentCtrl", function($scope) {
    $scope.testMe = function() {
        $scope.$broadcast("done"); //transmit to ctrl2
    }
});

app.controller("childCtrl1", function($scope) {
    $scope.testMe(); //call parent
});

app.controller("childCtrl2", function($scope) {
    $scope.$on("done", function() {
        alert("Caught parent event");
    });
});