擷取浏覽器語言

擷取浏覽器語言
           

根據浏覽器語言切換語言
           

//根據浏覽器語言切換語言
function navigatorLanguage(){
    let  navigatorLanguage = (navigator.language || navigator.browserLanguage).toLowerCase()
    let lang = 'zhCN'
    switch (navigatorLanguage) {
        case 'zh-cn':
            lang = 'zhCN'
            break
        case 'zh-tw':
            lang = 'zhTW'
            break
        case 'en':
            lang = 'enUS'
            break
    }
    return lang
}