javascript - JS adds serial numbers to the code blocks in the page. What is the name of this plug-in?

Question

As shown in the screenshot, I want to look for ready-made plug-ins on GitHub, but I don’t know what keywords to search for. Please give me some advice or recommendations. Thank you. It’s best to Based on jqeruy.

Also, may I ask what editor segmentfault uses? Did you develop the cool look yourself?

Answer 1

Try this: CodeMirror

Answer 2

Editor, domestic wangediter, and quill are very good. tegramph uses quill.