<!doctype html>
<html ng-app="sanitize">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.4/angular.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.4/angular-sanitize.min.js"></script>
<script>
var sanitize = angular.module("sanitize", ["ngSanitize"]);
sanitize.controller("sanitizeCtrl", function($scope, $sce) {
$scope.html = "<style>div {color:blue; text-align:center} #div3 {color: green}</style><div><b>div1</b></div><div style='color:red;'><i>div2</i></div><div id='div3'><u>div3</u></div>";
$scope.example1 = $sce.trustAsHtml($scope.html);
$scope.css = $sce.trustAsHtml("<style>div {color:gray; text-align:none}</style>");
});
</script>
</head>
<body ng-controller="sanitizeCtrl">
<span ng-bind-html="example1"></span>
<span ng-bind-html-unsafe="example1"></span>
<!--
<span ng-bind-html="html"></span>
<span ng-bind-html="css"></span>
-->
</body>
</html>