“Layering” reactive statements can change when subsequent reactive statements execute. (layering is not a technical or official term) For example, if I want to fetch some data only when my…

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Performant Reactivity with Svelte-Kit is a performance improvement you can add to your application, if you don’t already know it. For context, a very basic example of reactive statements would reactively update to 3 and without reactivity, would still be equal to 2.