=assert title="If the transaction's request list contain any requests whose done flag is still false, abort the steps for asynchronously executing a request for each such request and queue a task to perform the following steps:">
<meta rel=assert title="set the request's error attribute to a DOMException with a type of AbortError.">
<meta rel=assert title="Dispatch an event at request. The event must use the Event interface and have its type set to 'error'. The event bubbles and is cancelable. The propagati