Q81. What are the popular packages for animation?
In modern React application development, animating components smoothly requires specialized libraries that handle component mount/unmount lifecycles and GPU-accelerated t...
Technical Question Bank · Peer-Reviewed
Job Interview Questions and Answers Directory
Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (454 available).
Active:
Tag: react ×
Q82. What is the benefit of styles modules?
It is recommended to avoid hard coding style values in components. Any values that are likely to be used across different UI components should be extracted into their own...
Q83. What are the popular React-specific linters?
ESLint is a popular JavaScript linter. There are plugins available that analyse specific code styles. One of the most common for React is an npm package called `eslint-pl...
Q84. What is React Router?
React Router is a powerful routing library built on top of React that helps you add new screens and flows to your application incredibly quickly, all while keeping the UR...
Q85. How React Router is different from history library?
React Router is a wrapper around the `history` library which handles interaction with the browser's `window.history` with its browser and hash histories. It also provides...
Q86. 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...
Q87. What is the purpose of `push()` and `replace()` methods of `history`?
A history instance has two methods for navigation purpose. 1. `push()` 2. `replace()` If you think of the history as an array of visited locations, `push()` will add a ne...
Q88. How do you programmatically navigate using React Router v4?
There are three different ways to achieve programmatic routing/navigation within components. 1. **Using the `withRouter()` higher-order function:** The `withRouter()` hig...
Q89. How to get query parameters in React Router v4?
The ability to parse query strings was taken out of React Router v4 because there have been user requests over the years to support different implementation. So the decis...
Q90. Why you get "Router may have only one child element" warning?
You have to wrap your Route's in a `` block because `` is unique in that it renders a route exclusively. At first you need to add `Switch` to your imports: ```javascript ...