• A comprehensive example of adding authentication to a ReactJS app is .
• ReactJS provides a nice set of test utilities that allow us to inspect and examine the components we build.
• Testing becomes tricky in a ReactJS application when you have to deal with components.
• In ReactJS projects, you can create custom stylesheets and UI Components.
• One effective way of bootstrapping your ReactJS project is to start by designing your UI components and then glue them together, that way you can split up the initial setup effort into several small parts along the project lifecycle.

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