Class on route

app.js

//update class on route change
angular.module('myApp', ['ngRoute']).run(function($rootScope, $rootElement) {
  var view = angular.element($rootElement[0].querySelector('[ng-view]'));
  $rootScope.$on('$routeChangeSuccess', function(event, to, from) {
    view.removeClass(from.viewClass).addClass(to.viewClass);
  });
});

//define classes while define routes
angular.module('myApp').config(function($routeProvider) {
  $routeProvider.when('/', {
    controller: 'HomeCtrl',
    templateUrl: 'home.html',
    viewClass: 'view_home'
  }).when('/page/:id', {
    controller: 'PageCtrl',
    templateUrl: 'page.html',
    viewClass: 'view_page'
  })
})