<!doctype html> <meta charset=utf-8> <title>IndexedDB: Verify [SameObject] behavior of IDBIndex's objectStore attribute</title> <meta name="help" href="https://w3c.github.io/IndexedDB/#dom-idbindex-objectstore"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="resources/support.js"></script> <script> indexeddb_test( (t, db) => { const store = db.createObjectStore('store'); const index = store.createIndex('index', 'keyPath'); assert_equals(index.objectStore, index.objectStore, 'Attribute should yield the same object each time'); }, (t, db) => { const tx = db.transaction('store', 'readonly', {durability: 'relaxed'}); const store = tx.objectStore('store'); const index = store.index('index'); assert_equals(index.objectStore, index.objectStore, 'Attribute should yield the same object each time'); t.done(); }, 'IDBIndex.objectStore [SameObject]' ); </script>