为什么前端尽量少用iframe？

Answer 1

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.

Answer 2

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。