Ming: Suppose there are 2 pages, index.html and inner.html. There is an iframe in index.html, and the src of this iframe points to inner.html.
What we have to do now is:
1. Call a js method on inner.html in index.html
2. Call a js method on index.html in inner.html
The implementation code is as follows:
index.html
1.
2.
inner.html
1.
2.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
