有没有办法使用javascript检测网络连接类型?
我想知道是否有任何方法可以检查用户是否使用 javascript 从 2G、3G、4G 或 WiFi 连接.据我所知，只有 Mozilla 提供了一个网络信息 API，它有助于检测一般连接类型，如wifi"、蜂窝"等.
I would like to know is there any way to check if user is connected from 2G, 3G, 4G, or WiFi using javascript. As of my knowledge only Mozilla provides a Network Information API which helps to detect general connection type like 'wifi', 'cellular' etc.
推荐答案
将网络暴露给 javascript 是一种错误的方法.无论如何，为了您更好地理解，请通过以下链接
It is a wrong approach to expose your network to javascript. Anyways for your better understanding please go through the below link
如何检查连接使用 HTML5/JavaScript 输入(WiFi/LAN/WWAN)?
还有一个可以提供帮助，但仅支持 mozilla，有关信息，您可以访问以下链接
And there is one that can be of help but only supports mozilla and for the info you can visit the below link
https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API
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