js判断手机型号

function getMobileModel() {
    var userAgent = navigator.userAgent;
    var model = "Unknown";

    // iPhone系列
    var iphoneRegex = /iPhone\s?(\w*)\s?/i;
    if (iphoneRegex.test(userAgent)) {
        model = "iPhone";
        // 可以进一步提取型号
        var match = userAgent.match(iphoneRegex);
        if (match[1]) {
            model += " " + match[1];
        }
    }
    // Android系列
    else if (/Android/i.test(userAgent)) {
        // 提取品牌
        var brandRegex = /(Samsung|Huawei|Xiaomi|OPPO|Vivo|Lenovo)/i;
        var brandMatch = userAgent.match(brandRegex);
        if (brandMatch) {
            model = brandMatch[1];
        }

        // 提取具体型号
        var androidModelRegex = /\b(\w{4,})\b/i;
        var modelMatch = userAgent.match(androidModelRegex);
        if (modelMatch && modelMatch[1] !== model) {
            model += " " + modelMatch[1];
        }
    }

    return model;
}

console.log(getMobileModel());