Blink for Angular

ngBlink.js

angular.module("blink", []).directive("blink", function($interval) {
  return {
    link: function($scope, $element) {
      $interval(function() {
        var visibility = $element.css("visibility") === "hidden" ? "visible" : "hidden";
        $element.css("visibility", visibility);
      }, 1000);
    },
    restrict: "EA"
  };
});