Prior to v17, React will attach event handlers at the document level.

n order to avoid memory leaks. Sy…and unhook event listeners as elements scroll on and off the screen in order to avoid memory leaks. Synthetic events are automatically delegated to the root node, meaning React developers get event memory management for free.
The Missing Introduction to React
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Eric Elliott
Amandeep Singh
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Oct 18, 2020
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Prior to v17, React will attach event handlers at the document level.
Reference: https://reactjs.org/blog/2020/08/10/react-v17-rc.html#changes-to-event-delegation
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Written by Amandeep Singh116 Followers
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Developer @ Domain Sydney. Tech enthusiast and a pragmatic programmer. If coding is hard, you are not doing it right.
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