Собеседование JUNIOR frontend REACT

#React #ReactJS In this episode, we'll explore Junior Frontend React Developer interview questions, cover JavaScript, HTML, and CSS questions that are sure to be asked, solve an algorithmic problem, and assess the algorithmic complexity of the solution. Find us on social media: 💻 Telegram: https://t.me/devmagazinechannel 💻 GitHub: https://github.com/vadimkorr Courses and playlists: 💡 ReactJS Patterns:    • 🏆 Паттерны ReactJS   💡 How to Pass a ReactJS Interview:    • 🚀 Собеседование React Frontend   💡 ReactJS Hooks:    • 🐠 React хуки   💡 Redux Saga:    • 🍏 Redux Saga курс   💡 Redux:    • ☕️ Redux курс   💡 How to create a slider in ReactJS:    • 🎪 Как создать СЛАЙДЕР на ReactJS   💡 All about ReactJS:    • 📘 ReactJS   💡 Tailwind:    • 🍃 TailwindCSS курс   💡 Svelte:    • 🌴 Svelte курс   💡 Sass:    • 📔 Sass курс   💡 GraphQL:    • 💪 GraphQL   💡 JavaScript:    • 📜 JavaScript   00:00 - About the structure and format of the interview 02:36 - [JavaScript] What is this? 02:58 - [JavaScript] this and window in the browser 03:11 - [JavaScript] this and globalThis in NodeJS 03:46 - [JavaScript] this in an object 04:26 - [JavaScript] this in an object and arrow functions 05:00 - [JavaScript] What are the ways to traverse an array? 05:30 - [JavaScript] The differences between forEach and map 07:20 - [JavaScript] The filter method 08:04 - [JavaScript] The reduce method 09:24 - [JavaScript] How to compare strings/arrays/objects for equality 10:41 - [JavaScript] The differences between == and === 11:37 - [JavaScript] Promise and async/await 12:14 - [JavaScript] Promise methods - all, race, etc. 12:50 - [CSS] What is responsive layout? 13:07 - [CSS] What are Grid and Flexbox? 13:28 - [CSS] What is the box model? 13:54 - [CSS] What is `box-sizing: border-box;` used for? 14:20 - [CSS] Specificity 14:56 - [CSS] Specificity and declaration weights 15:35 - [CSS] Pseudo-classes and pseudo-elements 16:06 - [HTML] Semantic layout 17:00 - [Browser] Session storage / Local storage / Cookies 17:59 - [React] What is React and what is it used for? 18:15 - [React] What does React provide and why isn't it easier to write in pure JavaScript? 19:13 - [React] What is the Virtual DOM? 19:42 - [React] What is JSX? 20:04 - [React] The difference between functional and class components 20:53 - [React] How to change component state? 21:41 - [React] What is useEffect used for? 22:39 - [React] What are side effects? 22:54 - [React] How to avoid memory leaks with useEffect? 23:43 - [React] How to trigger an effect on the first render? 24:04 - [React] What is the purpose of the dependencies array in useEffect? 24:18 - [React] Managed and unmanaged components 25:25 - [React] What is a key? 26:17 - [React] Why is it not recommended to use index for a key? 26:54 - [React] How to pass data between adjacent components? 27:50 - [React] What is prop drilling and how to avoid it? 28:26 - [React] Libraries for state management and Redux 30:24 - [Algorithmic Problem] Problem overview 31:57 - [Algorithmic Problem] Find the longest common prefix for given strings 33:08 - [Algorithmic Problem] Solution 1 37:28 - [Algorithmic Problem] Solution 1. Estimating algorithmic complexity 38:15 - [Algorithmic Problem] Solution 2. A more optimal solution 43:05 - [Algorithmic Problem] Solution 2. Estimating algorithmic complexity 43:37 - [JavaScript] What is the order of console output? #devmagazine #devmagazinechannel