Angular: 27205559

http://angularjs.org/

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.3/angular.min.js"></script>
<div ng-controller="MyCtrl">
    <input type="text" add-model="{{myModel}}" />
    <br /><br />
    {{testModel}}
</div>
<var></var>

JavaScript

var myApp = angular.module('myApp',[]);

myApp.directive('addModel', function($compile) {
    return {
        restrict: 'A',
        link: function(scope, element, attrs, ctrl) {
            var model = attrs.addModel;
            element.attr('ng-model',  model);
            element.removeAttr('add-model');  // avoid infinite loop
            $compile(element)(scope);
        }
    };
});

myApp.controller('MyCtrl', function($scope) {
    $scope.myModel = 'testModel';
    $scope.testModel = 'text';
});