Advanced React Js Interview Questions Basic React Js Interview Questions 1. What problem is React solving? Earlier, when doing web development, in order to remove, add, or change an element on the page, the entire page had to be re-rendered. This massively impacted the application’s perfor...
For the record, asking someone these questions probably isn't the best way to get a deep understanding of their experience with React.React Interview Questionsjust seemed like a better title thanThings you may or may not need to know in React, but you may find helpful none the less. What ...
What are custom hooks in React? A custom hook is a function that encapsulates reusable logic using React hooks. It always starts with “use” to follow the convention. What is conditional rendering in React? Conditional Rendering: In React, it means rendering different UI elements based on cert...
What React will do is walk down a very deep tree of nested Objects (depending on your UI complexity), each sitting in their parent element’s children. One thing to note is that the type so far has just been a string. When a React Element is made from a custom Component (like ...
So, let’s dive into questions to find theperfect Senior React.js developerfor your team. Table of Contents Expected Answer:React Hooks are essential for functional component development, offering state and lifecycle management. They simplify code, replacing class-based components with cleaner, re...
React hooks have a few essential rules to ensure they work correctly. Always call hooks at the top level of your React function, never inside loops, conditions, or nested functions. Only call hooks from React function components or custom hooks. These rules ensure that hooks maintain the correc...
class App extends React.Component { render() { return( {'Welcome to React world!'} ) } } What is the difference between Element and Component? An Element is a plain object describing what you want to appear on the screen in terms of the DOM nodes or other components. Elements can...
Popularly asked Vue.js interview questions for 2025: 1. How do you create a new Vue instance? 2. Explain the Vue instance lifecycle hooks. 3. What is data binding in Vue.js?
Redux Interview Questions and Answers for Experienced 1. What are Redux forms, and how do you use them? What are the main characteristics? Redux Forms, which are available in both React and Redux, allow a form in React to use Redux to store all of its states. In HTML5, we can utilize...
Then, execute the following react code on the client side, and create a new webpack.client.js as the webpack configuration file of t react 阅读3.2k发布于2021-12-05 xiangzhihong 5.9k声望15.3k粉丝 著有《React Native移动开发实战》1,2,3、《Kotlin入门与实战》《Weex跨平台开发实战》、《Flutter跨...