React JS 19 tutorial in Hindi 2026 - React Interview Question 😱 useEffect Object Dependency Trap | Memory Reference Explained

=========== https://www.sharpener.tech/?utm_source=codestepbystep&utm_medium=youtube&utm_content=shortvideos =================== This is one of the most important React JS interview questions that surprises many developers 😱 If you pass an object inside the useEffect dependency array and update state — why does the console keep running again and again? In this short video, you’ll learn: What Memory Reference means in React Why Objects & Arrays cause repeated execution Difference between Normal Variables vs State Why component re-render changes object reference The correct best practice to avoid this issue This question is commonly asked in React JS interviews, especially when discussing: useEffect Dependency Array Re-rendering Reference vs Value comparison Common mistake developers make in interviews react js interview question react useeffect interview question react object dependency problem react memory reference example react re rendering explanation useeffect dependency array issue react tricky interview question frontend interview preparation react js shorts javascript reference vs value #ReactJS #ReactInterview #FrontendDeveloper #JavaScript #useEffect #WebDevelopment #CodingShorts #InterviewPrep #ReactDeveloper #LearnReact React js full course :- https://www.youtube.com/watch?v=LuNPCSNr-nE Instagram id: @code.steps Linkedin : http://github.com/anil-sidhu/ Topmate : https://topmate.io/anil_sidhu ============================ Free notes, code examples, and a complete playlist Our website : https://thecodingskills.com All Courses Codes: https://thecodingskills.com/courses