ServiceNow AngularJS: $broadcast vs $emit

ServiceNow AngularJS: $broadcast vs $emit

$broadcast: Parent to Child

Set Event:

$timeout(function() {
    $rootScope.$broadcast('userCountry', value);
}, 500);

Get Event:

$scope.$on('userCountry', function(event, userCountry) {
    console.log(userCountry + '----userCountry');
    c.searchLoc = userCountry;
});
References:
https://serviceportal.io/using-events-communicate-widgets/
------------------------------------------------------------------------------

$emit: Child to Parent

Set Event:

function($rootScope, $scope) {
    var c = this;
    c.selectNote = function(number) {
        $rootScope.noteID = number;
        $rootScope.$emit('selectNote', number);
    }
}    

Get Event:

function($rootScope, $scope) {

var c = this;

$rootScope.$on('selectNote', function(event, data) {

return $rootScope.noteID;

});

}

References:
https://github.com/towrain/SNOW-data-between-widgets
https://youtu.be/LooT596ZhtQ

Demo: