Lists and Keys
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What is Lists and Keys?
When you render lists in React, you can use the key prop to specify a unique key for each item. This key is used to identify which item to update when you want to update a specific item.
Free resources to learn Lists and Keys
- Official docsLists and Keys
- Official docsRendering Lists
- ArticleList components in React by Example
- ArticleWhy do we need the key prop in React?
More in stage 3: Rendering
Lists and Keys: common questions
Can I learn Lists and Keys in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Lists and Keys in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Lists and Keys tutorial for beginners?
It is lesson 11 of 79 in the free React roadmap, in stage 3, Rendering. If you are new to React, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.