spread is faster than Array.from

packages/svelte/src/internal/client/dom/reconciler.js

@@ -93,7 +93,7 @@ export function reconcile_html(target, value, svg) {
 		content = /** @type {DocumentFragment} */ (/** @type {unknown} */ (content.firstChild));
 	}
 	var clone = content.cloneNode(true);
-	frag_nodes = Array.from(clone.childNodes);
+	frag_nodes = [...clone.childNodes];
 	frag_nodes.forEach((node) => {
 		target.before(node);
 	});

packages/svelte/src/internal/client/dom/template.js

@@ -182,7 +182,7 @@ function close_template(dom, is_fragment, anchor) {
 		if (is_fragment) {
 			// if hydrating, `dom` is already an array of nodes, but if not then
 			// we need to create an array to store it on the current effect
-			dom = /** @type {import('#client').Dom} */ (Array.from(/** @type {Node} */ (dom).childNodes));
+			dom = /** @type {import('#client').Dom} */ ([.../** @type {Node} */ (dom).childNodes]);
 		}
 
 		if (anchor !== null) {