Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
<body>

<div ng-app="myApp" ng-controller="caseCtrl">

<h1>{{txt | lowercase}}</h1>

</div>

<script>
var app = angular.module('myApp', []);
app.controller('caseCtrl', function($scope) {
    $scope.txt = "Hello World!";
});
</script>

<p>The text is written in lowercase letters.</p>

</body>
</html>