Syntax

1. Hash symbol (#): For title. Example:

   # This is H1 tag
   ## This is H2 tag
   ### This is H3 tag
   

2. Asterisk symbol (*): For em and strong tags. Example:

   * This is em tag *
   ** This is em tag **
   *** This is em and strong tag ***
   

3. One backtick symbol (`): For inline code. Example: `console.log("Hello")`.
4. ```[Language] Code Block```: For code block. Example:

   ```java
   public class HelloWorld {
       public static void main(String[] args) {
           System.out.println("Hello World");
       }
   }
   ```
   

5. Hyphen symbol (-): For ul tag. Example:

   - List item 1
   - List item 2
   

6. 1., 2., 3.: For ol tag. Example:

   1. List item 1
   2. List item 2
   

7. ~Content~: For strike tag
8. [Title](url): For a tag
9. : For img tag

You also can use any HTML tag.