title: Can we know with help of "window" or "document" object if all the network calls are completed in the browser?
body: <p>Can we know with the help of the &quot;window&quot; or &quot;document&quot; object if all the network calls are completed in the browser?</p>
  <p>Like window.apisDone or any callback events that can tell us when the API's are done</p>