https://support.typora.io/Shortcut-Keys/
You can use shortcut keys to quickly insert or modify styles or do other operations supported by Typora.
You can find shortcut keys in the right side of each menu items from menu bar.
On macOS, you can press Esc key to open inline preview for inline math, auto-complete for emoji, etc.
Users can set or reassign shortcut keys for commands in Typora’s menu bar. This article will shows how to do this.