<!DOCTYPE html> <meta charset="utf-8"> <title>IDBObjectStore.delete() - If the transaction this IDBObjectStore belongs to has its mode set to readonly, throw ReadOnlyError</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-IDBObjectStore-delete-IDBRequest-any-key"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="support.js"></script> <div id="log"></div> <script> var db, t = async_test(), records = [{ pKey: "primaryKey_0"}, { pKey: "primaryKey_1"}]; var open_rq = createdb(t); open_rq.onupgradeneeded = function (event) { db = event.target.result; var objStore = db.createObjectStore("store", {keyPath:"pKey"}); for (var i = 0; i < records.length; i++) { objStore.add(records[i]); } } open_rq.onsuccess = function (event) { var txn = db.transaction("store"); var ostore = txn.objectStore("store"); t.step(function(){ assert_throws("ReadOnlyError", function(){ ostore.delete("primaryKey_0"); }); }); t.done(); } </script>