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  "description": "有秉性正直的松",
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  "lang": "cn",
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<link rel="manifest" href="/manifest.json">
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<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="apple-mobile-web-app-title" content="秉松博客">
<link rel="apple-touch-icon" href="https://blog.iucky.cn/favicon-1.ico">
<meta name="msapplication-TileImage" content="https://blog.iucky.cn/favicon-1.ico">
<meta name="msapplication-TileColor" content="#fff">
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<script>
// 注册 ServiceWorker
function regSW() {
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                console.log('ServiceWorker 注册失败: ', err);
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            // 建立一个消息管道，用于当前页面与 SW 之间的消息传递，也便于 SW 知道该消息的来源
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            channel.port1.onmessage = function(e) {
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                if (!e.data) {
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                // 要求申请通知权限
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                            console.log('申请通知权限被拒绝了！')
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            reg.active.postMessage('hello', [channel.port2]);
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                var notification = new Notification("Hi，网络不给力哟", {
                    body: '您的网络貌似离线了，不过在秉松博客里访问过的页面还可以继续打开~',
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regSW();
</script>