I would like to ask, regarding a page with an iframe nested in another website, in the parent page, how to use js to trigger the button click event of the sub-page. Can any expert provide a sample code? Beg on your knees! ! !
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
