In case dojo is not found, following is the code:

 

<html>
<head>
    <base href="https://demos.telerik.com/kendo-ui/editor/angular">
    <style>html { font-size: 14px; font-family: Arial, Helvetica, sans-serif; }</style>
    <title></title>
    <link rel="stylesheet" href="https://kendo.cdn.telerik.com/2019.1.220/styles/kendo.common-material.min.css" />
    <link rel="stylesheet" href="https://kendo.cdn.telerik.com/2019.1.220/styles/kendo.material.min.css" />
    <link rel="stylesheet" href="https://kendo.cdn.telerik.com/2019.1.220/styles/kendo.material.mobile.min.css" />

    <script src="https://kendo.cdn.telerik.com/2019.1.220/js/jquery.min.js"></script>
    <script src="https://kendo.cdn.telerik.com/2019.1.220/js/angular.min.js"></script>
    <script src="https://kendo.cdn.telerik.com/2019.1.220/js/kendo.all.min.js"></script>
    

</head>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular-sanitize/1.7.2/angular-sanitize.js"></script>

<div id="example" ng-app="KendoDemos">
    <div ng-controller="MyCtrl">
      
<textarea kendo-editor k-ng-model="html"></textarea>
      
      <a href="" ng-click="RCM.dialog.open()">Edit the content in pop-up</a>

        <div kendo-dialog="RCM.dialog" k-title="'RCM Summary'" k-on-open="RCM.dialogVisible = true"  k-visible="false"
                                             k-on-close="RCM.dialogVisible = false" k-modal="true">
                                            <textarea kendo-editor k-ng-model="html"></textarea>
                                        </div>
      
    </div>
</div>

<script>
  angular.module("KendoDemos", [ "kendo.directives", "ngSanitize" ])
      .controller("MyCtrl", function($scope){
          $scope.html = "<h1>Kendo Editor</h1>\n\n" +
          "<p>Note that 'change' is triggered when the editor loses focus.\n" +
              "<br /> That's when the Angular scope gets updated.</p>";
      })
</script>


</body>
</html>