Index as a key is an anti-pattern
So many times I have seen developers use the index of an item as its key when they render a list. { todos.map((todo, index) => <Todo {...todo} key={index} />); } It looks elegant and it does get rid of the warning (which was the ‘real’ issue, right?). What is the danger here? It may break your application and display wrong data! Let me explain, a key is the only thing React uses to identify DOM el
Redux Patterns and Anti-Patterns
(Korean, Japanese) Redux is a surprisingly simple library for managing application state with a Flux-like architecture. Here at Affirm, we are particularly interested in Redux’s time-travel capabilities. Our core business is offering transparent consumer loans, so it’s incredibly valuable to be able to replay the entire loan application process from the user’s perspective. Redux is more of a set o
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GitHub - chantastic/react-patterns: moved to to https://github.com/chantastic/sites/tree/master/reactpatterns.com
