Dan Abramov • 12/3/2018

Why Do React Elements Have a $$typeof Property?

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This article explains the technical reason behind the $$typeof property found in React elements. It details how this property, which uses a Symbol value, serves as a security measure to protect against XSS attacks by marking elements as legitimately created by React's API, preventing the injection of malicious objects.

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#React #security #symbol
Why Do React Elements Have a $$typeof Property?

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