AngularJS Example:

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<div ng-app>
 
  <div ng-controller="TodoCtrl">
    currect date:{{date}}
    <br>
    Renewal date:
  </div>
</div>

JavaScript

function TodoCtrl($scope) {
 $scope.date="2016-08-30";
 var date=$scope.date
 var d=new Date(date);
 
 //alert(newDay);
 $scope.renewaldate="";
}