Angular · Senior · Question 73 of 75

What does `@defer (hydrate on interaction)` do with incremental hydration?

✓Correct answer: The block is server-rendered, and its code is loaded and hydrated only when the user interacts with it
2The block is rendered only on the client
3The block is hydrated twice

Explanation

Users see the content immediately while the JavaScript cost is postponed. Event replay keeps the interaction that triggered hydration.

Further reading

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