Replace datalist children instead of appending

jasongrout · jasongrout · commit 1344dabe67ad · 2023-01-28T07:01:41.000-07:00
Fixes jupyter-widgets#3681
diff --git a/packages/controls/src/widget_string.ts b/packages/controls/src/widget_string.ts
@@ -671,7 +671,7 @@ export class ComboboxView extends TextView {
       o.value = v;
       optionFragment.appendChild(o);
     }
-    this.datalist.appendChild(optionFragment);
+    this.datalist.replaceChildren(...optionFragment.children);
   }
 
   isValid(value: string): boolean {

Original file line number	Diff line number	Diff line change
`@@ -671,7 +671,7 @@ export class ComboboxView extends TextView {`
`671`	`671`	`o.value = v;`
`672`	`672`	`optionFragment.appendChild(o);`
`673`	`673`	`}`
`674`		`- this.datalist.appendChild(optionFragment);`
	`674`	`+ this.datalist.replaceChildren(...optionFragment.children);`
`675`	`675`	`}`
`676`	`676`
`677`	`677`	`isValid(value: string): boolean {`