如何检测用户的语言并重定向到适合语言的网页? [英]How can I detect the user's language and redirect to a language appropriate webpage?
如何检测用户是否查看页面的javascript或单击浏览器中的检查 [英]How to detect if the user views a page's javascript or clicks on inspect in the browser
如何在javascript中检测用户的浏览器并相应地加载类名? [英]How to detect the user's browser in javascript & load the class names accordingly?
如果它是 web 上 JavaScript 中的 excel 文件,如何检测文件类型? [英]How to detect the file type if it's an excel file in JavaScript on the web?