在间隔中更新angular.js视图

I want to make something like a shuffler with angular.js. The idea is to upgrade the view every 200miliseconds at the begining with a new string and slowly increase the delay until the moment where strings are not changing anymore and one is selected. My problem is that angular has something like a defense against so rapidly changing values, because when I execute this code in my controller, only the first random string is shown.I want to make something like a shuffler with a