AngularJS: ng-click

HTML

<div ng-app="myApp">
    <div ng-controller="YourCtrl">
       <div class="account-item" ng-init="active = true">
          <div class="account-heading" ng-class="{'active': active}">
            <h4 class="account-title">
                <a href="#/Messages" ng-click="active = !active">7. @Translate("SYSTEM_MESSAGES")</a>
            </h4>
          </div>
        </div>
    </div>
</div>

CSS

.active{background:red;}

JavaScript

'use strict';

var app = angular.module('myApp', []);

app.controller('YourCtrl', ['$scope', function ($scope) {

}]);