Svelte · Middle · Question 6 of 75

What is the difference between `$effect` and `$effect.pre`?

✓Correct answer: $effect.pre runs before DOM updates (e.g. to save scroll position); $effect runs after the DOM is updated
2$effect.pre runs on the server
3$effect.pre runs only once

Explanation

$effect.pre replaces beforeUpdate from Svelte 4, and $effect replaces afterUpdate.

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