7.document.domain+iframe · 好课学习2

## document.domain+iframe ![](https://img.kancloud.cn/a1/2f/a12f927e440df81e205a2a2bdcc6738b_599x96.png) ![](https://img.kancloud.cn/cd/8d/cd8df780b6070764df0fe36faef8614a_903x461.png)