在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<body>

<div ng-app="" ng-controller="personController">

名: <input type="text" ng-model="person.firstName"><br>
姓: <input type="text" ng-model="person.lastName"><br>
<br>
姓名: {{fullName()}}

</div>

<script>
function personController($scope) {
    $scope.person = {
        firstName: "John",
        lastName: "Doe",
    };
    $scope.fullName = function() {
        var x = $scope.person;	
        return x.firstName + " " + x.lastName;
    }
}
</script>

<script src="angularjs/1.2.5/angular.min.js.html"></script>

</body>
</html>
源代码

动行结果
