WordPress has had emoji support since 4.2. 🚀💃😻

Instead of using the emoji codes Slack and a number of services use e.g. :thumbsup: it depends on the os/platform you are using (see https://codex.wordpress.org/Emoji.

When editing a post on Mac you can bring up the Emoji & Symbols keyboard by:

• Clicking the Edit menu
• Selecting “Emoji & Symbols”

Or you can use the keyboard shortcut ⌃⌘Space (Control – Command – Space)

Prospress ❤️ emoji.