Front-End Interview Preparation Bootcamp | Day 2 | Advanced React Patterns & Hooks

In Session 2 of our Front-End Interview Preparation Bootcamp, we covered some of the most frequently asked and important concepts in JavaScript, Node.js and React. JavaScript & Node.js ✅ How Node.js handles concurrency despite JavaScript being single-threaded ✅ libuv and the Event Loop ✅ Microtask Queue vs Task Queue ✅ Execution order of synchronous and asynchronous code ✅ this binding and the different ways this gets determined ✅ Method calls, regular functions, call, apply, bind and arrow functions ✅ Promises and their different states ✅ async/await and how it works with Promises React ✅ Virtual DOM and Reconciliation ✅ How React efficiently updates the UI ✅ State updates and batching ✅ Functional state updates and when to use them ✅ useMemo ✅ useCallback ✅ React.memo ✅ How these concepts can help avoid unnecessary work and improve performance The focus of this session was not just understanding the definitions, but knowing how these concepts actually work and how they are commonly tested in technical interviews. This session is especially useful if you are preparing for Frontend Engineer, React Developer, Full Stack Developer or JavaScript interviews. If you are preparing for frontend interviews, make sure you understand these concepts beyond just memorizing definitions. Interviewers often test them through code snippets, output-based questions and real-world scenarios. Watch the complete session and revise along with us. #CodeKerdos #FrontendInterview #JavaScript #ReactJS #NodeJS #WebDevelopment #FrontendDevelopment #InterviewPreparation #SoftwareEngineering