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<title>Keypath</title>
<link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#key-path-construct">
<link rel=assert title="A key path is a DOMString that defines how to extract a key from a value. A valid key path is either the empty string, a JavaScript identifier, or multiple Javascript identifiers separated by periods (ASCII character code 46) [ECMA-262].">
<script src="/resources/testharness.js"></scrip