const userAgent = navigator.userAgent.toLowerCase();
if (userAgent.includes('iphone')) {
    console.log('User is on an iPhone');
} else if (userAgent.includes('android')) {
    console.log('User is on an Android device');
}

const connection = navigator.connection  navigator.mozConnection  navigator.webkitConnection;
if (connection) {
    console.log('Effective connection type:', connection.effectiveType);
    console.log('Downlink speed:', connection.downlink, 'Mbps');
}

if (navigator.onLine) {
    console.log('User is online');
} else {
    console.log('User is offline');
}

const shareData = {
    noscript: 'Example Page',
    text: 'Check out this cool page!',
    url: 'https://example.com'
};

navigator.share(shareData).then(() => {
    console.log('Content shared successfully');
}).catch(err => {
    console.error('Error sharing content:', err);
});

avigator.getBattery().then(battery => {
    console.log('Battery level:', battery.level * 100 + '%');
    console.log('Charging:', battery.charging ? 'Yes' : 'No');
});