https://javascript.info/promise-error-handling   Using async functions https://devtrium.com/po...

Global Variables Global variables in React persist even after re-render. Only the local variable...

Reducer In an React application you might have a lot of state that you're maintaining across mul...

useState The fundamental of storing information. useState hook allow you to create local state r...

React Router Traditional multi-page web application uses server based routing where the user req...