JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://code.ionicframework.com/1.0.0-beta.12/css/ionic.css">
<div ng-app="homeApp">
    <div ng-controller="CartCtrl">
        <ul class="list">
            <li class="item item-button-right" ng-repeat="item in mycart">{{ item.Name }}: ${{ item.Price }}
                <button class="button button-negative" ng-click="removeFromCart(item)">	<span style="font-variant: small-caps; margin-top: -4px">remove</span>

                </button>
            </li>
        </ul>
        <button class="button button-block button-balanced" ng-click="addItem()">Add some item to cart (for testing)</button>
        <button class="button button-block button-balanced" ng-click="getCart()">Manually get cart from service</button>
    </div>
</div>

JavaScript

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

homeApp.factory("cartService", function ($rootScope) {

    var cart = [];

    var service = {

        all: function () {

            return cart;
        },

        add: function (item) {

            cart.push(item);
        },

        remove: function (item) {

            cart.splice(cart.indexOf(item), 1);
        },

        cartUpdated: function (newValue) {

            cart = newValue;
        }
    }

    setInterval(function () {
        $rootScope.$apply(function () {
            var newcart = [{
                "Id": 4,
                    "Name": "Some item " + Math.random(),
                    "Price": 4
            }];

            cart = newcart;
        });
    }, 3000);

    return service;
});

homeApp.controller('CartCtrl', function ($scope, $timeout, cartService) {

    var init = function () {

        $scope.mycart = cartService.all();

    }

    $scope.getCart = function () {

        $scope.mycart = cartService.all();
    }

    $scope.addItem = function () {

        cartService.add({
            "Id": 4,
                "Name": "Some item",
                "Price": 4
        });
    }

    $scope.removeFromCart = function (item) {

        cartService.remove(item);
    }

    init();
});