#42: Why Keys Are Important in React JS: Common Problems & Solutions Explained with Animation

In this video, we'll explore why keys are essential in React JS, the problems that arise when they are not used properly, and how to fix these issues. Through a coding example, you'll see firsthand the impact of missing keys on list rendering and updating. We'll use animation slides to make it easy to understand why keys are so important. By the end, you'll know how to use keys effectively to avoid common pitfalls and ensure your React applications run smoothly. For instance, see how missing keys in a todo list app can cause task update issues and how to solve them.
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⌛TIMELINE⏳
0:00 Introduction to React Keys
0:25 Coding Example to Show Problem with Missing Keys
2:45 What are Keys in React JS
3:55 Animation Slides to Understand Why Keys are Important
7:12 Consequences of Not Using Keys
10:35 How to Fix Key Problems in React JS
13:10 Recommended Videos for Practice

[@allsupporthindi161]

Wow, that's great, hmne imagine v nii kiya tha

[@VSS2002]

The 100 days of JS coding series was really awesome, please complete this 100 days challenge series , the playlist is stuck on 49....please make all the videos

[@prakashkumarsahu551]

❤ very good information 😊

[@AmanKumarSinhaOfficial]

Todo app to incomplete hai. because usme edit todo ka option hi nhi hai.

[@fitnessfreak984]

Next project kab aa raha hai?

[@rishiraj2548]

🙂👍

[@prakashkumarsahu551]

Ye information ka koi idea nhi tha, thanku

[@tapasmeher5384]

❣❣❣❣

[@Faizan_Iqbal07]

❤

[@React_Dev_YT]

sir react 19 ke hooks kab cover honge?????

[@biswajitbiswas6360]

Sir react ke bad kya idia hai

[@tusharkutre188]

Bhai when u will bring Netflix clone?

[@hamudxd9497]

NODE JS AFTER REACT

[@biswajitbiswas6360]

Node js sikhaoge ap hamlogo ko

[@pranotidhangar9998]

7 videos are hidden 😢.why?