[英]Firebase messaging importScripts is not defined
I write a WEB application on the platform Firebase 我在Firebase平台上编写了一个WEB应用程序
I have a file "firebase-messaging-sw.js" , and when I access the file from home.html page, I get an error: 我有一个文件“ firebase-messaging-sw.js” ,当我从home.html页面访问该文件时,出现错误:
importScripts is not importScripts不是
File "firebase-messaging-sw.js" is at the root level. 文件“ firebase-messaging-sw.js”在根目录下。
home.html: home.html的:
<html>
<head>
<meta charset="utf-8" />
<title></title>
<link rel="shortcut icon" href="img/favicon.png"/>
<meta name="keywords" content="" />
<link rel="stylesheet" href="css/reset.css" type="text/css" />
<link rel="stylesheet" href="css/home.css" type="text/css" media="screen and (min-width:901px)" />
<link rel="stylesheet" href="css/mhome.css" type="text/css" media="screen and (max-width:900px)" />
</head>
<body>
<header>
...
</header>
<div class="function">
...
</div>
<footer>
...
</footer>
<!-- The core Firebase JS SDK is always required and must be listed first -->
<script src="https://www.gstatic.com/firebasejs/6.3.3/firebase-app.js"></script>
<script src="https://www.gstatic.com/firebasejs/6.3.3/firebase-auth.js"></script>
<script src="https://www.gstatic.com/firebasejs/6.3.3/firebase-firestore.js"></script>
<script src="https://www.gstatic.com/firebasejs/6.3.3/firebase-storage.js"></script>
<script src="https://www.gstatic.com/firebasejs/6.3.3/firebase-messaging.js"></script>
<script src="https://www.gstatic.com/firebasejs/6.3.3/firebase-performance.js"></script>
<script src="javaScript/initFirebase.js"></script>
<script src="javaScript/homeFirebase.js"></script>
<script src="javaScript/initHomePage.js"></script>
<script src="javaScript/latlon-geohash.js"></script>
<script src="firebase-messaging-sw.js"></script>
</body>
firebase-messaging-sw.js: 火力点的消息,sw.js:
importScripts('https://www.gstatic.com/firebasejs/6.3.3/firebase-app.js');
importScripts('https://www.gstatic.com/firebasejs/6.3.3/firebase-messaging.js');
firebase.initializeApp({
'messagingSenderId': '123456654321'
});
Help fix the error! 帮助解决错误! Thank! 谢谢!
firebase-messaging-sw.js
is service worker JavaScript file. firebase-messaging-sw.js
是服务程序JavaScript文件。
So you should not load JavaScript file using <script src="firebase-messaging-sw.js"></script>
. 因此,您不应使用<script src="firebase-messaging-sw.js"></script>
加载JavaScript文件。
Remove <script src="firebase-messaging-sw.js"></script>
and try the following code. 删除<script src="firebase-messaging-sw.js"></script>
并尝试以下代码。
<script>
if ('serviceWorker' in navigator) {
window.addEventListener('load', () => {
navigator.serviceWorker.register('/firebase-messaging-sw.js');
});
}
</script>
See https://developers.google.com/web/fundamentals/primers/service-workers/#register_a_service_worker 请参阅https://developers.google.com/web/fundamentals/primers/service-workers/#register_a_service_worker
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.