NG Character count directive

char_count.js

https://stackoverflow.com/questions/20603107/angularjs-text-area-character-counter

.directive('charCount', ['$log', '$timeout', function($log, $timeout){
    return {
        restrict: 'A',
        compile: function compile()
        {
            return {
                post: function postLink(scope, iElement, iAttrs)
                {
                    iElement.bind('keydown', function()
                    {
                        scope.$apply(function()
                        {
                            scope.numberOfCharacters = iElement.val().length;
                        });
                    });
                    iElement.bind('paste', function()
                    {
                        $timeout(function ()
                        {
                            scope.$apply(function()
                            {
                                scope.numberOfCharacters = iElement.val().length;
                            });
                        }, 200);
                    });
                }
            }
        }
    }
}])