title: Comparing Datetime with now in JavaScript
body: <p>I am getting from this Url the Datetime-> </p>
  
  <pre><code>http://193.70.60.44:3000/taxi_server/api/v1.0/ride_request
  
  "requestdatetime":"2017-03-16T20:37:18.494Z"
  </code></pre>
  
  <p>and i want to compare it with the datetime of now.</p>
  
  <p>How can i compare this format in javascript?</p>