<!DOCTYPE html>
<script>

function databaseOpened(event) {
    var getRequest = event.target.result.transaction(["foo"], "readwrite").objectStore("foo").put("value from detached iframe", "key");
    getRequest.onsuccess = getRequestCallback;
    getRequest.onerror = unexpectedErrorCallback;
}

function openDatabase(event) {
    parent.detachIframe();
    var openRequest = window.indexedDB.open("detached-iframe.html");
    openRequest.onsuccess = databaseOpened;
    openRequest.onblocked = openDatabase;
}

window.addEventListener("message", openDatabase, false);

</script>