Most of the time, we add code examples in the blog post. Many times, the code example adds incremental code to show something step-by-step. It would be great to highlight, what has been added to the code since the last explanation of it.

Here is an example where you can see it clearly that the highlighted portion shows what has been changed.

Can we please have something like this added to Hashnode feature list? It would simplify the tutorial writing with code example a great deal.