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<html><script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script><body><div ng-app="myApp" ng-controller="personCtrl">First Name: <input type="text" ng-model="person.firstName"><br>Last Name: <input type="text" ng-model="person.lastName"><br><br>Full Name: {{fullName()}}</div><script>var app = angular.module('myApp', []);app.controller("personCtrl",function($scope) { $scope.person = { firstName: "John", lastName: "Doe", }; $scope.fullName = function() { var x = $scope.person; return x.firstName + " " + x.lastName; };});</script></body></html>