timfjord/index.html

## index.html
<html ng-app="Demo">
  <head metang-head>
    <title metang="prefix">My Site</title>
    <meta name="description" content="Desc of my website" metang>
  </head>
  <body ng-controller="TestCtrl">
  </body>
</html>

## script.js
angular.module('Demo').controller('TestCtrl', function($scope, metang) {
   metang.title('Page title');
   metang.property('og', {description: 'Description'});
   metang.meta({description: 'Details description'});
});
	<html ng-app="Demo">
	<head metang-head>
	<title metang="prefix">My Site</title>
	<meta name="description" content="Desc of my website" metang>
	</head>
	<body ng-controller="TestCtrl">
	</body>
	</html>
	angular.module('Demo').controller('TestCtrl', function($scope, metang) {
	metang.title('Page title');
	metang.property('og', {description: 'Description'});
	metang.meta({description: 'Details description'});
	});