We've introduced two new callback functions that you can define in the fs.js config:

- setOnScriptReadyFunction (Which is called when the script has loaded and is ready to run)
- setRequestTimerFunction (Which is called when the backend request to get a phone number has been sent to Kaisa, to measure how long time the request took)

Below a full example that uses the two new and one existing callback.

<script type="text/javascript">

  function scriptIsReady() {

  console.log('fs.js is ready');

  }

  function backendRequestTimer(start, end) {

  console.log('Backend request took: ' + (end - start));

  }

  function numberReplaced(element, number, replacedWith) {

  console.log(number + " was replaced with " + replacedWith + " in element " +
  element);

  }

  var __fs_conf = __fs_conf || [];

  __fs_conf.push(['setAdv',{'id': '<xyz>}]);

  __fs_conf.push(['setOnScriptReadyFunction', scriptIsReady]);

  __fs_conf.push(['setRequestTimerFunction', backendRequestTimer]);

  __fs_conf.push(['addNumberReplacedListener', numberReplaced]);

  </script>

 <script type="text/javascript" src="js/fs.js"></script>