angular.module('form', []).controller('formcontroller', ['$scope',
      function($scope) {
        $scope.input;
        $scope.hello = "<h1> Welcome</h1>";
      }
    ]);<html>
<head>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
</head>
<body>
  <form ng-app="form" ng-controller="formcontroller">
    <span ng-bind="hello"></span>
    
    <span ng-bind-html="hello"></span>
  </form>
 
</body>
</html>I tried by using
It results in the output as
<h1> Welcome</h1>
I tried by replacing ng-bind-html is not woking and throws an error.
<script> angular.module('form', []).controller('formcontroller', ['$scope', function($scope) { $scope.hello="<h1> Welcome</h1>"; }]); </script>Error: $sce:unsafe Require a safe/trusted value Attempting to use an unsafe value in a safe context.
Please explain.
 
     
     
     
     
    