<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>All the memes!</title>
<link rel="stylesheet" href="css/styles.css">
<!-- 添加 manifest.json 配置文件 -->
<link rel="manifest" href="/manifest.json">
</head>
<body>
<header>
<h1 class="center">简单的H1标题</h1>
</header>
<main>
<div class="container"></div>
</main>
<script src="js/app.js"></script>
<script>
// 加载serviceWorker.js，使得页面加载后，在浏览器输入框出现 install 按钮
window.addEventListener('load', async e => {
if ('serviceWorker' in navigator) {
try {
navigator.serviceWorker.register('serviceWorker.js').then(function(registration){
console.log('Registered events at scope: ', registration.scope);
});
} catch (error) {
console.log('SW failed');
}
}
});
</script>
</body>
</html>