BoxMovie.github.io/main.js at main · BoxMovie/BoxMovie.github.io · GitHub

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// Register Service Worker
if ('serviceWorker' in navigator) {
    window.addEventListener('load', function () {
        navigator.serviceWorker.register('./sw.js')
            .then(function (register) {
                console.log('PWA service worker ready');
                register.update();
            })
            .catch(function (error) {
                console.log('Register failed! Error:' + error);
            });

        // Check user internet status (online/offline)
        function updateOnlineStatus(event) {
            if (!navigator.onLine) {
                alert('Internet access is not possible!')
            }
        }

        window.addEventListener('online', updateOnlineStatus);
        window.addEventListener('offline', updateOnlineStatus);

    });
}