<!DOCTYPE html>
<title>IDBCursor.update() - index - throw DataCloneError</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="help" href="https://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#widl-IDBCursor-update-IDBRequest-any-value">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/support.js"></script>
<div id="log"></div>
<script>
    var db,
        t = async_test(),
        records = [ { 