ng-init-using-array.html

<!DOCTYPE html>
<html>
<head>
<script data-require="angular.js@1.4.8" data-semver="1.4.8" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.4.8/angular.min.js"></script>
</head>
<body ng-app>
    <div ng-init="variable= ['http://','blog','allii','ir']">
        My weblog url {{variable[0]}}{{variable[1]}}.{{variable[2]}}.{{variable[3]}} as array: {{variable}}
    </div>
</body>
</html>

http://blog.allii.ir/2016/01/angularjs-beginner-intermediate-course-basics/#directives