Here are the collection of tricks and cheat codes for markdown which I use personally. Here I save them for further reference, but also for others to use maybe.

Comments

Commenting the code

Here is a reference for them on Stack overflow.

  • Visible to output HTML:
    {::comment}The comment comes here{:/comment}
    or
    {::comment}The comment comes here{:/}
    
  • Invisible to the output HTML
    [//]: # Here comes the comment