Teams Initialize sample

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Microsoft Teams App</title>
    <script src="https://res.cdn.office.net/teams-js/2.28.0/js/MicrosoftTeams.min.js" integrity="sha384-gT2igbByugSUPXBgDA+rtfKk4JMSCfG+3DKSivyLqF2Riv4vTLqaC/tFpySw0eIM" crossorigin="anonymous"></script>
    <script>
      < /head> < body > < h1 > Welcome to My Teams App < /h1> < div id = "status" > Loading... < /div> < script >
        // Ensure the SDK is initialized in the context of Teams
        document.addEventListener("DOMContentLoaded", function() {
          microsoftTeams.initialize();
          microsoftTeams.getContext(function(context) {
            console.log("App initialized in Microsoft Teams with context: ", context);
          });
        });
    </script>
    </body>
</html>