how to read web page in type script

1$(document).ready(function() {
2
3  var workspaceId = '2';
4
5  $.ajax('http://azurejupyterredirect.net/home/workspace/' + workspaceId)
6    .then(
7      function(url) {
8        window.open(url);
9      });
10
11});
12<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>