In this video we’ll learn how to create lists in React and why Keys are important.

A “key” is a special string attribute you need to include when creating lists of Reactjs elements. Keys give the elements a stable identity. Keys help React identify which items have changed, are added, or are removed. This results in a much more efficient update of the user interface.
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Web Development – Beginners Roadmap (2020) – https://youtu.be/iogabydg2y0
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