js获取当前语言环境

// 获取当前浏览器的首选语言
var userLang = navigator.language || navigator.userLanguage;

console.log('当前语言环境:', userLang);

var userLang = navigator.language || navigator.userLanguage;
var supportedLanguages = ['en-US', 'zh-CN', 'es-ES']; // 支持的语言列表

if (!supportedLanguages.includes(userLang)) {
    userLang = 'en-US'; // 默认语言
}

console.log('当前语言环境:', userLang);

function getCurrentLanguage() {
    var userLang = navigator.language || navigator.userLanguage;
    if (!userLang) {
        // 尝试从 HTTP 请求头中获取
        var acceptLangHeader = (new XMLHttpRequest()).getResponseHeader('Accept-Language');
        if (acceptLangHeader) {
            userLang = acceptLangHeader.split(',')[0];
        }
    }
    return userLang;
}

console.log('当前语言环境:', getCurrentLanguage());