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What is the use of UseMemo
source link: https://dev.to/johnbabu021/what-is-the-use-of-usememo-4aee
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What is the use of UseMemo
useMemo is a memorise hook that avoid rendering a Component if there is no change in props
let's take an example when a parent child renders all of it's children component will render but we can avoid rendering of children if there is no change in the props by wrapping
it with a React.useMemo hook
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