Why can't I click this button,i want debug the crx!

[wjsw1781]

Why can't I click this button I want to debug to see how this plugin fetches html How to replace img with base64 How to get the contents of an iframe but can't debug I want to learn the key logic above

我是**人 ,我有个问题,为什么这个按钮无法点击 我想要调试查看这个插件是如何对html进行获取的 如何替换img为base64 如何获取iframe的内容的 但是无法调试 我想要学习上面这些关键逻辑!

[gildas-lormeau]

I'm sorry but I don't know what this button is because I don't speak Chinese. However, you can press F12 to open the Dev Tools.