Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
<script src="//tinymce.cachefly.net/4.1/tinymce.min.js"></script>
<body ng-app="myApp">
    <div ng-controller="MyCtrl">
        <p>List of activities:</p>
        <div ng-repeat="activity in model.activities | orderBy: 'position'">
             <label for="$index">Position</label>
            <input id="$index" type="number" ng-model="activity.position" style="width: 50px">
            <textarea ng-model="activity.name" ui-tinymce="tinyMceOptions" rows="2" cols="10"></textarea>
           
            <hr>
        </div>
    </div>
</body>

JavaScript

/**
 * Binds a TinyMCE widget to <textarea> elements.
 */
angular.module('ui.tinymce', [])
  .value('uiTinymceConfig', {})
  .directive('uiTinymce', ['uiTinymceConfig', function (uiTinymceConfig) {
    uiTinymceConfig = uiTinymceConfig || {};
    var generatedIds = 0;
    return {
      priority: 10,
      require: 'ngModel',
      link: function (scope, elm, attrs, ngModel) {
        var expression, options, tinyInstance,
          updateView = function () {
            ngModel.$setViewValue(elm.val());
            if (!scope.$root.$$phase) {
              scope.$apply();
            }
          };

        // generate an ID if not present
        if (!attrs.id) {
          attrs.$set('id', 'uiTinymce' + generatedIds++);
        }

        if (attrs.uiTinymce) {
          expression = scope.$eval(attrs.uiTinymce);
        } else {
          expression = {};
        }

        // make config'ed setup method available
        if (expression.setup) {
          var configSetup = expression.setup;
          delete expression.setup;
        }

        options = {
          // Update model when calling setContent (such as from the source editor popup)
          setup: function (ed) {
            var args;
            ed.on('init', function(args) {
              ngModel.$render();
              ngModel.$setPristine();
            });
            // Update model on button click
            ed.on('ExecCommand', function (e) {
              ed.save();
              updateView();
            });
            // Update model on keypress
            ed.on('KeyUp', function (e) {
              ed.save();
              updateView();
            });
            // Update model on change, i.e. copy/pasted text, plugins altering content
            ed.on('SetContent', function (e) {
              if (!e.initial && ngModel.$viewValue !== e.content) {
                ed.save();
                updateView();
              }
            });
            ed.on('blur', function(e) {
     ...