To italicize text, add one asterisk or underscore before and after a word or phrase. To italicize the middle of a word for emphasis, add one asterisk without spaces around the letters.

Markdown语法	HTML	预览效果
Italicized text is the *cat's meow*.	Italicized text is the <em>cat's meow</em>.	Italicized text is the cat’s meow.
Italicized text is the _cat's meow_.	Italicized text is the <em>cat's meow</em>.	Italicized text is the cat’s meow.
A*cat*meow	A<em>cat</em>meow	Acatmeow

Italic Best Practices

Markdown applications don't agree on how to handle underscores in the middle of a word. For compatibility, use asterisks to italicize the middle of a word for emphasis.

✅  Do this	❌  Don't do this
A*cat*meow	A_cat_meow