title: adding two datetime in javascript
body: <p>I am getting datetime as inputs using multiple timepickers in AngularJS. I want to add all the time inputs(dynamic) to give me a total duration.<br>
  e.g: if i input<br>
  <code>Date {Wed Feb 03 2016 02:07:44 GMT+0530 (India Standard Time)}
  Date {Wed Feb 03 2016 05:09:05 GMT+0530 (India Standard Time)}</code><br>
  It should return<br>
  <code>Date {Wed Feb 03 2016 07:16:49 GMT+0530 (India Standard Time)}</code></p>
  
  <p>Here is my code:
  <a href="https://jsfiddle.net/nitishhardeniya/ytndyuck/" rel="nofollow">https://jsfiddle.net/nitishhardeniya/ytndyuck/</a></p>