AngularJS Example
HTML
<div ng-app="">
<div ng-controller="Ctrl">
<span ng-bind-html="data.view"></span>
</div>
</div>
CSS
.ng-invalid { border: 1px solid red; }
JavaScript
function Ctrl($scope) {
$scope.data = {
view: "<h1>whaaaaa</h1>"
};
}