js获取手机唯一

function getDeviceUUID() {
    let uuid = localStorage.getItem('device_uuid');
    if (!uuid) {
        uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
            var r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
            return v.toString(16);
        });
        localStorage.setItem('device_uuid', uuid);
    }
    return uuid;
}

console.log(getDeviceUUID());

function getCanvasFingerprint() {
    const canvas = document.createElement('canvas');
    const ctx = canvas.getContext('2d');
    ctx.font = '18pt Arial';
    ctx.fillText('Hello, world!', 2, 15);
    return canvas.toDataURL('image/png');
}

console.log(getCanvasFingerprint());

function getLocalIPs(callback) {
    const RTCPeerConnection = window.RTCPeerConnection || window.webkitRTCPeerConnection || window.mozRTCPeerConnection;
    const ips = {};

    if (!RTCPeerConnection) {
        callback(ips);
        return;
    }

    const rtc = new RTCPeerConnection({ iceServers: [] });
    rtc.createDataChannel('', { reliable: false });

    rtc.onicecandidate = function (ice) {
        if (ice.candidate) {
            const ipMatch = /([0-9]{1,3}(\.[0-9]{1,3}){3})/.exec(ice.candidate.candidate);
            if (ipMatch) {
                ips[ipMatch[1]] = true;
                callback(ips);
            }
        }
    };

    rtc.createOffer().then(offer => rtc.setLocalDescription(offer));
}

getLocalIPs(function (ips) {
    console.log(ips);
});

<script src="https://cdn.jsdelivr.net/npm/@fingerprintjs/fingerprintjs@3/dist/fp.min.js"></script>
<script>
  FingerprintJS.load().then(fp => {
    fp.get().then(result => {
      console.log(result.visitorId);
    });
  });
</script>