Svelte · Junior · Question 62 of 76

What does `{@const}` do?

{#each boxes as box}
  {@const area = box.width * box.height}
  <p>{box.width} × {box.height} = {area}</p>
{/each}

✓Correct answer: Declares a local constant inside a block of markup
2Declares a global constant for the component
3Makes a value read-only in state

Explanation

It's allowed only as the immediate child of blocks like {#each}, {#if}, {:then}, {#snippet} or a component.

Further reading

Svelte: {@const ...} ↗

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