titulo

parrafos

• Item 1
• Item 2
• Item 2a
• Item 2b
  • Item 3a
  • Item 3b

let message = 'Hello world';alert(message);

Markdown is a lightweight markup language with plain-text-formatting syntax, created in 2004 by John Gruber with Aaron Swartz.

Markdown is often used to format readme files, for writing messages in online discussion forums, and to create rich text using a plain text editor.