如何在不刷新网页的情况下显示db中保存的输入值？

I wrote a code that enables me to post an input value (using AngularJS 1.3.5 $http.post) and save it into a db then display it in my html page. To get the new input value after clicking on save I have to refresh the page to display it. I must find a solution without using php and jQuery. I saw an answer I wrote a code that enables me to post an input