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What is Pure Component? When should you use Pure Component instead Component?

This thread contains 1 reply, has 2 voices, and was last updated by  darshan.soni007 8 months, 2 weeks ago.

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  • #52886

    What is Pure Component? When should you use Pure Component instead Component?


  • #52887

    – Pure Component is specifically the same as Component except that it handles Component Update method for us. When props or state changes, Pure Component will do a shallow comparison on both props and state. Component won’t compare current props and state to next out of the box. Thus, the component will re-render by default – whenever should Component Update is called.

    – When analyzing previous props and state to next, a shallow comparison will check that primitives have the same value and that the references are the same between more complex javascript values like objects and arrays.

    – It is enough to prefer Pure Component over Component whenever we never change our objects.


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