(PCC)[ANGULARJS] How to use AngularJS Controller

Programming Code Center(PCC)
[ANGULARJS]

(PCC)::[How-to-use-AngularJS-Controller]::[angularjs]

File Name : index.html

<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<body>

<div ng-app="myApp" ng-controller="myCtrl">
{{ firstName + " " + lastName }}
</div>

<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function($scope) {
    $scope.firstName = "John";
    $scope.lastName = "Doe";
});
</script>

</body>
</html>

Output :

{{ firstName + " " + lastName }}