The current page is embedded with an iframe, which has an upload button with<input type="file"/>. How can I enter the iframe, access this button, and insert the file path into it? about chrome-remote-interface

[cyrus-and]

You need to connect to the iframe directly, it will appear among all the other targets.

[zhangLeLer]

您需要直接连接到 iframe，才会出现在所有其他目标中。

我是在chrome extension 的background里面使用了CDP，但是bg不允许直接访问iframe等dom，无法通过iframe.contentView进入，我的代码如下：

[cyrus-and]

I obviously don't speak Chinese...