<!doctype html>
<html>

<head>
  <!-- jQuery -->
  <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
  <!-- jQuery UI -->
  <script type="text/javascript" src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
  <!-- TinyMCE -->
  <script type="text/javascript" src="//tinymce.cachefly.net/4.0/tinymce.min.js"></script>
  <!-- AngularJS -->
  <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular.js"></script>
  <!-- AngularJS Sanitize -->
  <script type="text/javascript" src='https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular-sanitize.min.js'></script>
  <!-- AngularUI TinyMCE -->
  <script type="text/javascript" src="tinymce.js"></script>

  <script type="text/javascript" src="one.js"></script>

  <script>
    $(window).load(function() {
      var this_scope = angular.element($('#container')).scope();
      this_scope.from_js = {
        "from_js": "<em>italic data in page javascript in head</em>"
      };
      this_scope.$apply();
    });
  </script>

</head>

<body ng-app="myApp">

  <div id="container" ng-controller="TestCtrl">
    <hr>
      <div data-ng-model="value"
           data-ui-tinymce="tinymceOptionsTextareaField"></div>
    <hr>
  </div>

</body>

</html>

/**
 * Binds a TinyMCE widget to <textarea> elements.
 */
angular.module('ui.tinymce', [])
    .value('uiTinymceConfig', {})
    .directive('uiTinymce', ['uiTinymceConfig', function(uiTinymceConfig) {
    uiTinymceConfig = uiTinymceConfig || {};
    var generatedIds = 0;
    return {
        require: 'ngModel',
        link: function(scope, elm, attrs, ngModel) {
            var expression, options, tinyInstance;
            // generate an ID if not present
            if (!attrs.id) {
                attrs.$set('id', 'uiTinymce' + generatedIds++);
            }
            options = {
                // Update model when calling setContent (such as from the source editor popup)
                setup: function(ed) {
                    ed.on('init', function(args) {
                        ngModel.$render();
                    });
                    // Update model on button click
                    ed.on('ExecCommand', function(e) {
                        ed.save();
                        ngModel.$setViewValue(elm.val());
                        if (!scope.$$phase) {
                            scope.$apply();
                        }
                    });
                    // Update model on keypress
                    ed.on('KeyUp', function(e) {
                        console.log(ed.isDirty());
                        ed.save();
                        ngModel.$setViewValue(elm.val());
                        if (!scope.$$phase) {
                            scope.$apply();
                        }
                    });
                },
                mode: 'exact',
                elements: attrs.id
            };
            if (attrs.uiTinymce) {
                expression = scope.$eval(attrs.uiTinymce);
            } else {
                expression = {};
            }
            angular.extend(options, uiTinymceConfig, expression);
            setTimeout(function() {
                tinymce.init(options);
            });


            ngModel.$render = function() {
                if (!tinyInstance) {
                    tinyInstance = tinymce.get(attrs.id);
                }
                if (tinyInstance) {
                    tinyInstance.setContent(ngModel.$viewValue || '');
                }
            };
        }
    };
}]); 
var myApp = angular.module('myApp', ['ui.tinymce']);
function TestCtrl($scope, $http) {
        $scope.tinymceOptionsTextareaField = {
                apply_source_formatting : false,
                forced_root_block: false,
                force_p_newlines: false,
                plugins: 'autolink link paste',
                valid_elements: 'a[href|rel|target=_blank],br,p',
                toolbar: false,
                menubar: false,
                statusbar: false,
                paste_auto_cleanup_on_paste: true,
                inline: true,
                default_link_target: '_blank'
            };
};
AngularJS TinyMCE initial textarea content

Two ways to load intiial content into a TinyMCE textarea when using AngularJS and bind the textarea to the model