Answer
React tags streamed chunks with react-id markers and uses a hydration priority queue to hydrate components in the correct order.
Quick Answer
React streaming SSR sends HTML chunks with embedded script tags containing data for each Suspense boundary. On the client, React processes these chunks in order, using a list-based hydration queue. If chunks arrive out of order (HTTP/2 push), React buffers and applies them in the correct sequence using their boundary IDs.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ