Q11. What are the `<Router>` components of React Router v6?
React Router v6 provides below 4 `` components: 1. ``:Uses the HTML5 history API for standard web apps. 2. ``:Uses hash-based routing for static servers. 3. ``:Uses in-me...
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Q12. What is Shallow Renderer in React testing?
_Shallow rendering_ is useful for writing unit test cases in React. It lets you render a component _one level deep_ and assert facts about what its render method returns,...
Q13. What is the purpose of ReactTestUtils package?
_ReactTestUtils_ are provided in the `with-addons` package and allow you to perform actions against a simulated DOM for the purpose of unit testing.
Q14. What is Jest?
_Jest_ is a JavaScript unit testing framework created by Facebook based on Jasmine and provides automated mock creation and a `jsdom` environment. It's often used for tes...
Q15. What is Redux?
Redux is a predictable state container for JavaScript applications, most commonly used with React. It helps you manage and centralize your application’s state in a single...
Q16. What is the purpose of default value in context?
The defaultValue argument is only used when a component does not have a matching Provider above it in the tree. This can be helpful for testing components in isolation wi...