javascript - How to get the mobile phone device ID (or other unique identifier) ​​through the web page?

Question

Can the mobile webpage obtain the unique identifier of the mobile phone?

Answer 1

No, can’t

Answer 2

Can’t

Answer 3

Getting IP generally involves back-end operations: the backend will use the first interface of your page to request the message header information: intercept the search database to find the IP of the mobile phone;
The second method: call the public interface to obtain IP : Many free Sina, Sohu, Tencent and Baidu provide public interfaces