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                <script src=""></script>
<link rel="stylesheet" href="">
<div ng-app="shoppingList" ng-cloak ng-controller="shoppingCtrl" class="w3-card-2 w3-margin" style="max-width:400px;">
  <header class="w3-container w3-light-grey w3-padding-16">
    <h3>Shopping List</h3>
  <ul class="w3-ul">
    <li ng-repeat="x in products" class="w3-padding-16">{{x}}<span ng-click="removeItem($index)" style="cursor:pointer;" class="w3-right w3-margin-right">×</span></li>
	<li class="no-items">You have no items on your list.</li>
  <div class="w3-container w3-light-grey w3-padding-16">
    <div class="w3-row w3-margin-top">
      <div class="w3-col s10">
        <input placeholder="Add shopping items here" ng-model="addMe" class="w3-input w3-border w3-padding">
      <div class="w3-col s2">
        <button ng-click="addItem()" class="w3-btn w3-padding w3-blue">Add</button>
    <p class="w3-text-red">{{errortext}}</p>


                li + .no-items {
    display: none;


                var app = angular.module("shoppingList", []); 
app.controller("shoppingCtrl", function($scope) {
     $scope.products = [];  
    $scope.addItem = function () {
        $scope.errortext = "";
        if (!$scope.addMe) {return;}
        if ($scope.products.indexOf($scope.addMe) == -1 || !$scope.products) {
        } else {
            $scope.errortext = "The item is already in your shopping list.";
    $scope.removeItem = function (x) {
        $scope.errortext = "";    
        $scope.products.splice(x, 1);