Why should iframes be used as little as possible on the front end? -PHP Chinese website Q&A-Why should iframe be used as little as possible on the front end? -PHP Chinese website Q&A
Please watch and learn.
首先iframe算是一个过时的技术，已经被新工具取代。其次，iframe是(几乎)不能访问外部数据的，js的作用域也会很奇怪。
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Why should iframes be used as little as possible on the front end? -PHP Chinese website Q&A-Why should iframe be used as little as possible on the front end? -PHP Chinese website Q&A
Please watch and learn.
首先iframe算是一个过时的技术，已经被新工具取代。
其次，iframe是(几乎)不能访问外部数据的，js的作用域也会很奇怪。