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HTML 

              
                <html lang="pt-br">
	<head>
		<meta charset="UTF-8">
		<title>Aprenda AngularJS - Busca Instantânea</title>

		<link href="https://fonts.googleapis.com/css?family=Cookie|Open+Sans:400,700" rel="stylesheet">

		<!-- Arquivo CSS principal -->
		<link rel="stylesheet" type="text/css" href="style.css">

		<!--[if lt IE 9]>
			<script src="https://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
		<![endif]-->
	</head>

	<!-- Inicialize uma nova aplicação AngularJS e associe-a com um módulo chamado "instantSearch" -->
	<body ng-app="instantSearch" ng-controller="InstantSearchController">
		<div class="bar">
			<!-- Crie uma ligação entre o modelo searchString e o campo de texto -->
			<input type="text" ng-model="searchString" placeholder="Digite seu termo de pesquisa">
		</div>

		<ul>
			<!-- Renderize um elemento li para cada entrada no array de itens. Note o filtro de busca customizado "searchFor". Ele pega o valor do modelo searchString como um argumento. -->
			<li ng-repeat="i in items | searchFor:searchString">
				<a href="{{ i.url }}"><img ng-src="{{ i.image }}"></a><p>{{ i.title }}</p>
			</li>
		</ul>

		<!-- Incluindo o AngularJS - Google's CDN -->
		<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script>
		<script src="script.js"></script>
	</body>
</html>
!

CSS 

              
                /*-------------------------
	RESET simples
--------------------------*/


*{
	margin:0;
	padding:0;
}

/*-------------------------
	Estilos Gerais
--------------------------*/

body {
	font: 15px/1.3 'Open Sans', sans-serif;
	color: #5E5B64;
	text-align: center;
}

a, a:visited {
	outline: none;
	color: #389DC1;
}

a:hover {
	text-decoration: none;
}

section, footer, header, aside, nav {
	display: block;
}

/*-------------------------
	O input Busca
--------------------------*/

.bar {
	background-color: #5C9BB7;

	background-image:-webkit-linear-gradient(top, #5c9bb7, #5392ad);
	background-image:-moz-linear-gradient(top, #5c9bb7, #5392ad);
	background-image:linear-gradient(top, #5c9bb7, #5392ad);

	box-shadow: 0 1px 1px #CCC;
	border-radius: 2px;
	width: 400px;
	padding: 14px;
	margin: 80px auto 20px;
	position: relative;
}

.bar input { 
	background:#fff no-repeat 13px 13px;
	background-image:url(data:image/png;base64,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);

	border: none;
	width: 100%;
	line-height: 19px;
	padding: 11px 0;

	border-radius: 2px;
	box-shadow: 0 2px 8px #C4C4C4 inset;
	text-align: left;
	font-size: 14px;
	font-family: inherit;
	color: #738289;
	font-weight: bold;
	outline: none;
	text-indent: 40px;
}

ul {
	list-style: none;
	width: 428px;
	margin: 0 auto;
	text-align: left;
}

ul li {
	border-bottom: 1px solid #DDD;
	padding: 10px;
	overflow: hidden;
}

ul li img {
	width:60px;
	height:60px;
	float:left;
	border:none;
}

ul li p {
	margin-left: 75px;
	font-weight: bold;
	padding-top: 12px;
	color:#6E7A7F;
}
!

JS 

              
                // Definindo um novo módulo para nossa aplicação
var app = angular.module ("instantSearch", []);

// Crie um filtro de pesquisa instantânea

app.filter ('searchFor', function () {

	// Todos os filtros devem retornar uma função. O primeiro 
	// parâmetro é um dado que será filtrado, e o segundo é um 
	// argumento que vai ser passado com dois pontos
	// searchFor: searchString

	return function (arr, searchString) {

		if (!searchString) {
			return arr;
		}

		var result = [];

		searchString = searchString.toLowerCase();

		// Usando o útil método forEach para iterar através do array
		angular.forEach (arr, function (item) {

			if (item.title.toLowerCase().indexOf(searchString) !== -1) {
				result.push(item);
			}
		});

		return result;
	};

});

// O Controlador

function InstantSearchController ($scope) {

	// O modelo de dados. Estes itens normalmente são requisitados via Ajax,
	// mas aqui estão simplificados. Veja o próximo exemplo para 
	// dicas usando Ajax.

	$scope.items = [
		{
			url: 'http://tutorialzine.com/2013/07/50-must-have-plugins-for-extending-twitter-bootstrap/',
			title: '50 Must-have plugins for extending Twitter Bootstrap',
			image: 'http://cdn.tutorialzine.com/wp-content/uploads/2013/07/featured_4-100x100.jpg'
		},
		{
			url: 'http://tutorialzine.com/2013/08/simple-registration-system-php-mysql/',
			title: 'Making a Super Simple Registration System With PHP and MySQL',
			image: 'http://cdn.tutorialzine.com/wp-content/uploads/2013/08/simple_registration_system-100x100.jpg'
		},
		{
			url: 'http://tutorialzine.com/2013/08/slideout-footer-css/',
			title: 'Create a slide-out footer with this neat z-index trick',
			image: 'http://cdn.tutorialzine.com/wp-content/uploads/2013/08/slide-out-footer-100x100.jpg'
		},
		{
			url: 'http://tutorialzine.com/2013/06/digital-clock/',
			title: 'How to Make a Digital Clock with jQuery and CSS3',
			image: 'http://cdn.tutorialzine.com/wp-content/uploads/2013/06/digital_clock-100x100.jpg'
		},
		{
			url: 'http://tutorialzine.com/2013/05/diagonal-fade-gallery/',
			title: 'Smooth Diagonal Fade Gallery with CSS3 Transitions',
			image: 'http://cdn.tutorialzine.com/wp-content/uploads/2013/05/featured-100x100.jpg'
		},
		{
			url: 'http://tutorialzine.com/2013/05/mini-ajax-file-upload-form/',
			title: 'Mini AJAX File Upload Form',
			image: 'http://cdn.tutorialzine.com/wp-content/uploads/2013/05/ajax-file-upload-form-100x100.jpg'
		},
		{
			url: 'http://tutorialzine.com/2013/04/services-chooser-backbone-js/',
			title: 'Your First Backbone.js App – Service Chooser',
			image: 'http://cdn.tutorialzine.com/wp-content/uploads/2013/04/service_chooser_form-100x100.jpg'
		}
	];  
}
!
999px

Console