Now I will bring you a perfect solution for cross-domain requests (JSONP, CORS). Let me share it with you now and give it as a reference for everyone.
A well-known problem is that Ajax directly requests ordinary files, which causes cross-domain unauthorized access. Solutions include JSONP, Flash, etc.
JSONP
We found that when calling js files on a Web page, it is not affected by whether it is cross-domain or not. Anyone with the "src" attribute All tags have cross-domain capabilities, such as
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
