// var that = this; // no need of this line
this.messageSuccess = true;
setTimeout(()=>{ //<<<---using ()=> syntax
this.messageSuccess = false;
}, 3000);var myapp = angular.module("myapp", []);
myapp.controller("DIController", function($scope, $timeout){
$scope.callAtTimeout = function() {
console.log("$scope.callAtTimeout - Timeout occurred");
}
$timeout( function(){ $scope.callAtTimeout(); }, 3000);
});// var that = this; // no need of this line
this.messageSuccess = true;
setTimeout(()=>{ // <<<---using ()=> syntax
this.messageSuccess = false;
}, 3000);