<script>
let obj = { key: 1, value: 3 };
export function mutate() {
obj.value = 5;
}
export function reassign() {
obj = { key: 1, value: 7 };
export function changeKey() {
obj.key = 3;
</script>
{#key obj.key}
<div>{obj.value}</div>
{/key}
