React JS Tutorial in Hindi #18 | Add, Delete & Update Array in JavaScript (Immutable Way)
Автор: Learn To Code With AK
Загружено: 2026-01-04
Просмотров: 47
Описание:
Welcome to Episode #18 of the React JS Tutorial Series in Hindi!
In this video, we will learn how to add, delete, and update arrays in JavaScript, using the immutable approach, which is mandatory for React developers.
You will understand how to work with arrays without mutating original data, using methods like spread operator, map, filter, and how these concepts are used in React state management.
🔥 What You Will Learn in This Video:
✔ Why immutability is important in React
✔ How to add new elements to an array
✔ How to delete elements from an array
✔ How to update array items
✔ Using spread operator (...)
✔ Using map() and filter()
✔ Real-world JSON data examples
✔ React-ready array operations
✔ Common mistakes & best practices
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