Question

<!DOCTYPE html>
<html>
  <head>
    <title>FCM token</title>
    <meta name="viewport" content="initial-scale=1.0">
    <meta charset="utf-8">
  </head>
  <body>

<script src="https://www.gstatic.com/firebasejs/3.6.1/firebase-app.js"></script>
<script src="https://www.gstatic.com/firebasejs/3.6.1/firebase-messaging.js"></script>
<script src="https://www.gstatic.com/firebasejs/3.6.3/firebase.js"></script>
<script>
  // Initialize Firebase
  var config = {
    apiKey: "AIzaSygfhdfghdfgdudartfhjvxctfujcgxdf",
    authDomain: "xcvg.firebaseapp.com",
    databaseURL: "https://xcvg.firebaseio.com",
    storageBucket: "xcvg.appspot.com",
    messagingSenderId: "467764584564"
  };
  firebase.initializeApp(config);
const messaging = firebase.messaging();
    messaging.requestPermission()
            .then(function(){
                console.log("GRANTED");
                return messaging.getToken();
            })
            .then(function(token){
                console.log(token);
            })
            .catch(function(err){
                console.log('Error Occurred.')
            })
</script>  

  </body>
</html>

我正在关注在网络浏览器中开始推送通知的官方指南。我对我的工作并不好在控制台中，我得到令牌为＆＃39; null＆＃39;即使在授予通知权限后。
我该如何解决？

无法在FCM Web设置（js）中接收令牌

0 个答案: