sveltejs
diff --git a/‎.changeset/smooth-weeks-hide.md
Copy file name to clipboard
+5Lines changed: 5 additions & 0 deletions b/‎.changeset/smooth-weeks-hide.md
Copy file name to clipboard
+5Lines changed: 5 additions & 0 deletions
diff --git a/‎packages/svelte/src/internal/client/dom/elements/attributes.js
Copy file name to clipboardExpand all lines: packages/svelte/src/internal/client/dom/elements/attributes.js
+1-1Lines changed: 1 addition & 1 deletion b/‎packages/svelte/src/internal/client/dom/elements/attributes.js
Copy file name to clipboardExpand all lines: packages/svelte/src/internal/client/dom/elements/attributes.js
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎packages/svelte/tests/runtime-runes/samples/spread-element-input-select/_config.js
Copy file name to clipboard
+20Lines changed: 20 additions & 0 deletions b/‎packages/svelte/tests/runtime-runes/samples/spread-element-input-select/_config.js
Copy file name to clipboard
+20Lines changed: 20 additions & 0 deletions
diff --git a/‎packages/svelte/tests/runtime-runes/samples/spread-element-input-select/main.svelte
Copy file name to clipboard
+10Lines changed: 10 additions & 0 deletions b/‎packages/svelte/tests/runtime-runes/samples/spread-element-input-select/main.svelte
Copy file name to clipboard
+10Lines changed: 10 additions & 0 deletions
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: only `select_option` if `'value'` is in `next`
@@ -486,7 +486,7 @@ export function attribute_effect(
 
 		set_attributes(element, prev, next, css_hash, skip_warning);
 
-		if (inited && is_select) {
+		if (inited && is_select && 'value' in next) {
 			select_option(/** @type {HTMLSelectElement} */ (element), next.value, false);
 		}
 
 
@@ -0,0 +1,20 @@
+import { flushSync } from 'svelte';
+import { ok, test } from '../../test';
+
+export default test({
+	async test({ assert, target }) {
+		const select = target.querySelector('select');
+		ok(select);
+		const [option1, option2] = select;
+
+		assert.ok(option1.selected);
+		assert.ok(!option2.selected);
+
+		const btn = target.querySelector('button');
+		flushSync(() => {
+			btn?.click();
+		});
+		assert.ok(option1.selected);
+		assert.ok(!option2.selected);
+	}
+});
@@ -0,0 +1,10 @@
+<script>
+	let { value = "Hello", spread = { disabled: false } } = $props();
+</script>
+
+<button onclick={()=> spread = { disabled: false }}></button>
+
+<select bind:value {...spread}>
+  <option>Hello</option>
+  <option>World</option>
+</select>
Original file line number	Diff line number	Diff line change
`@@ -486,7 +486,7 @@ export function attribute_effect(`
`486`	`486`
`487`	`487`	`set_attributes(element, prev, next, css_hash, skip_warning);`
`488`	`488`
`489`		`- if (inited && is_select) {`
	`489`	`+ if (inited && is_select && 'value' in next) {`
`490`	`490`	`select_option(/** @type {HTMLSelectElement} */ (element), next.value, false);`
`491`	`491`	`}`
`492`	`492`