如何在一个有棱角的应用程序中找到标记的特定部分?

I'm learning Angular on the fly while working on the front-end of a web app. I'm having to make some changes to the markup and because the final output comprises of many templates it is often difficult to find sources of some of the markup. Is there something similar to source maps, or at least comments for debug purposes?I'm learning Angular on the fly while working o