Angular: Empty Fiddle
http://angularjs.org/
HTML
<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl" ng-bind-html-unsafe="'Hello,' + namea">
</div>
JavaScript
var myApp = angular.module('myApp',[]);
function MyCtrl($scope) {
$scope.namea = 'Superhero <';
}