This is a handy reference page of useful Mura code snippets that I've acquired over the years. Some are more relevant than others, and a few may need some updating, so have at it. And drop me a line if you have any snippets of your own you'd like me to add, I'll be happy to give you a link and the reference.
React Basics - useMemo useCallback Hooks
React Basics - Custom Hooks
Javascript Node.js Basic Node App
React Basics - Snippets 2
React Basics - Snippets 1
Useful CSS Snippets - CSS Grid Layout Image Span
React Basics - Fetching Data
Javascript Poker Hand Interview Question
React Basics - Redux Overview
React Basics - Master - Drilldown
React Basics - React Router
React Basics - useContext Hook
React Basics - useEffect Hook
React Basics - useRef Hook
React Basics - useState Hook (With Forms)
React Basics - useState Hook
Javascript Code Cheat Sheet
React Updating Todos
React Adding Todos
React Removing Todos