Часть 1

No.	Questions
	Miscellaneous
153	What are the main features of the Reselect library?
154	Can you give an example of Reselect usage?
155	Can Redux only be used with React?
156	Do you need a specific build tool to use Redux?
157	How do Redux Form initial values get updated from state?
158	How do React PropTypes allow different types for one prop?
159	Can you import an SVG file as a React component?
160	What is render hijacking in React?
161	How do you pass numbers to a React component?
162	Do you need to keep all state in Redux? Should you ever use React’s internal state?
163	What is the purpose of registerServiceWorker in React?
164	What is the React.memo function?
165	What is the React.lazy function?
166	How do you prevent unnecessary updates using setState?
167	How do you render arrays, strings, and numbers in React v16?
168	What are Hooks?
169	What rules must be followed for Hooks?
170	How do you ensure Hooks follow the rules in your project?
171	What are the differences between Flux and Redux?
172	What are the benefits of React Router v4?
173	Can you describe the componentDidCatch lifecycle method signature?
174	In which scenarios do error boundaries not catch errors?
175	What is the behavior of uncaught errors in React v16?
176	What is the proper placement for error boundaries?
177	What is the benefit of a component stack trace from an error boundary?
178	What are default props?
179	What is the purpose of the displayName class property?
180	What is the browser support for React applications?
181	What is code-splitting?
182	What are keyed Fragments?
183	Does React support all HTML attributes?
184	When do component props default to true?
185	What is Next.js and what are its major features?
186	How do you pass an event handler to a component?
187	How do you prevent a function from being called multiple times?
188	How does JSX prevent injection attacks?
189	How do you update rendered elements?
190	How do you indicate that props are read-only?
191	What are the conditions for safely using an index as a key?
192	Do keys need to be globally unique?
193	What is the popular choice for form handling?
194	What are the advantages of Formik over the Redux Form library?
195	Why are you not required to use inheritance?
196	Can you use web components in a React application?
197	What is a dynamic import?
198	What are loadable components?
199	What is a Suspense component?
200	What is route-based code splitting?
201	What is the purpose of the default value in Context?
202	What is the diffing algorithm?
203	What rules are covered by the diffing algorithm?
204	When do you need to use refs?
205	Must a prop be named “render” for render props?
206	What are the problems with using render props with Pure Components?
207	What is the windowing technique?
208	How do you print falsy values in JSX?
209	What is the typical use case for portals?
210	How do you set a default value for an uncontrolled component?
211	What is your favorite React stack?
212	What is the difference between the real DOM and the Virtual DOM?
213	How do you add Bootstrap to a React application?
214	Can you list the top websites or applications using React as a front-end framework?
215	Is it recommended to use the CSS-in-JS technique in React?
216	Do you need to rewrite all class components with Hooks?
217	How do you fetch data with React Hooks?
218	Do Hooks cover all use cases for classes?
219	What is the stable release for Hooks support?
220	Why do we use array destructuring (square bracket notation) in useState?
221	What sources were used for introducing Hooks?
222	How do you access the imperative API of web components?
223	What is Formik?
224	What are typical middleware choices for handling asynchronous calls in Redux?
225	Do browsers understand JSX code?
226	Can you describe data flow in React?
227	What is MobX?
228	What are the differences between Redux and MobX?
229	Should you learn ES6 before learning ReactJS?
230	What is concurrent rendering?
231	What is the difference between async mode and concurrent mode?
232	Can you use JavaScript URLs in React v16.9?
233	What is the purpose of the ESLint plugin for Hooks?
234	What is the difference between imperative and declarative programming in React?
235	What are the benefits of using TypeScript with ReactJS?
236	How do you ensure a user remains authenticated on page refresh while using Context API state management?
237	What are the benefits of the new JSX transform?
238	How is the new JSX transform different from the old transform?
239	What are React Server Components?
240	What is prop drilling?
241	What is the difference between the useState and useRef Hooks?
242	What is a wrapper component?
243	What are the differences between the useEffect and useLayoutEffect Hooks?
244	What are the differences between functional and class components?
245	What is Strict Mode in React?
246	What is the benefit of Strict Mode?
247	Why does Strict Mode render twice in React?
248	What are the rules of JSX?
249	What is the reason multiple JSX tags must be wrapped?
250	How do you prevent mutating array variables?
251	What are capture phase events?
252	How does React update the screen in an application?
253	How does React batch multiple state updates?
254	Is it possible to prevent automatic batching?
255	What is React hydration?
256	How do you update objects inside state?
257	How do you update nested objects inside state?
258	How do you update arrays inside state?
259	How do you use the Immer library for state updates?
260	What are the benefits of preventing direct state mutations?
261	What are the preferred and non-preferred array operations for updating state?
262	What will happen when defining nested function components?
263	Can I use keys for non-list items?
264	What are the guidelines to follow for writing reducers?
	Hooks
265	What is useReducer hook? Can you describe its usage?
266	How do you compare useState and useReducer?
267	How does Context work with the useContext hook?
268	What are the use cases of the useContext hook?
269	When should you use client and server components?
270	What are the differences between the Page Router and App Router in Next.js?

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