What are keys in React?
What are keys in React?
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: easy
标签: interviewbit, react, topic-specific, javascript, frontend
参考答案摘要
A key is a special string attribute that needs to be included when using lists of elements. Example of a list using key - const ids = [1,2,3,4,5]; const listElements = ids.map((id)=>{ return(
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