title: How to append milliseconds to the given date in moment js?
body: <p>Is there any way to format the below date which has <code>HH:MM:SS</code> as time format into <code>HH:MM:SS:MMM</code> in moment js? </p>
  
  <pre><code>2016-01-10T00:00:00+05:30
  </code></pre>
  
  <p>Can it be converted into the format like the below one?</p>
  
  <pre><code>2016-01-10T00:00:00.000+05:30
  </code></pre>
  
  <p>Simple JS Code: </p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>var pop = moment('2016-01-03');
  var pop1 = pop.add(1,'week');
  console.log(pop1.format());</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="http://momentjs.com/downloads/moment.js"&gt;&lt;/script&gt;</code></pre>
  </div>
  </div>
  </p>