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Why Are Unique Keys in React So Important? You might have used key in React lists, but do you really understand its impact on state, re-renders, and performance? In this video, we dive deep...","preview":{"posterSrc":"//avatars.mds.yandex.net/get-vthumb/1787364/2530cdeeeac9954f3a102f4aac9ff7f4/564x318_1"},"target":"_self","position":"14","reqid":"1771677705038453-2216388525905652741-balancer-l7leveler-kubr-yp-vla-82-BAL","summary":{"fullTextUrl":"/int_search_summary?data=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3Dv7_JoXDCyn4","linkTemplate":"/video/preview/11651176788101788057?parent-reqid=1771677705038453-2216388525905652741-balancer-l7leveler-kubr-yp-vla-82-BAL&text=React+With+Keys&t=%%timestamp%%&ask_summarization=1"},"isAdultDoc":false,"relatedParams":{"text":"14- React Keys Explained: Why Unique Keys Matter for State & Performance","related_orig_text":"React With Keys","related_porno":false,"related_less_3m_off":true,"client":"d2d","no_cnt":1,"related_src":"serp","related":"{\"porno\":false,\"vfp\":1,\"orig_text\":\"React With 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of Virtual DOM 2:42 Graph Representation of Map method 3:37 Working of Virtual DOM using keys 6:11 Common mistake while working with keys 7:33 Outro 👉 Free Html5 + CSS3 Course...","preview":{"posterSrc":"//avatars.mds.yandex.net/get-vthumb/760586/4642c47463a93f1eea1919f24e3f3003/564x318_1","videoSrc":"https://video-preview.s3.yandex.net/0EscxQEAAAA.mp4","videoType":"video/mp4"},"target":"_self","position":"15","reqid":"1771677705038453-2216388525905652741-balancer-l7leveler-kubr-yp-vla-82-BAL","summary":{"fullTextUrl":"/int_search_summary?data=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DJ_S97E8xjcA","linkTemplate":"/video/preview/10257686291561202853?parent-reqid=1771677705038453-2216388525905652741-balancer-l7leveler-kubr-yp-vla-82-BAL&text=React+With+Keys&t=%%timestamp%%&ask_summarization=1"},"isAdultDoc":false,"relatedParams":{"text":"Why do We Need Keys in React?","related_orig_text":"React With 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