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+---
+title: IDBObjectStore.indexNames
+slug: Web/API/IDBObjectStore/indexNames
+translation_of: Web/API/IDBObjectStore/indexNames
+---
+<p>{{ APIRef("IndexedDB") }}</p>
+
+<div>
+<p>{{domxref("IDBObjectStore")}} 的只读属性 <strong><code>indexNames</code></strong> 返回此对象存储中对象的 <a href="https://developer.mozilla.org/en/IndexedDB#gloss_index" title="en/IndexedDB#gloss index">indexes</a> 名称（name）列表。</p>
+
+<p>{{AvailableInWorkers}}</p>
+</div>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox">var <em>myindexNames</em> = <em>objectStore</em>.indexNames;</pre>
+
+<h3 id="Value">Value</h3>
+
+<p>一个 {{domxref("DOMStringList")}}.</p>
+
+<h2 id="Example">Example</h2>
+
+<p>在下面的代码片段中，我们在数据库上打开一个读/写事务并使用 <code>add()</code> 向对象存储添加一些数据。创建对象存储后，我们将打印 <span style="background-color: #fafbfc; font-family: consolas,monaco,andale mono,monospace; font-size: 1rem; line-height: 19px; white-space: pre;"><code>objectStore.indexNames</code></span> 到控制台。有关完整的工作示例，请参阅我们的 <a href="https://github.com/mdn/to-do-notifications/">待办事项通知</a>应用程序<span style="line-height: 1.5;"> ( </span><a href="http://mdn.github.io/to-do-notifications/">实时查看示例</a><span style="line-height: 1.5;"> )</span></p>
+
+<pre class="brush: js" style="font-size: 14px;">// 让我们来打开我们的数据库
+<span style="line-height: 1.5;">var DBOpenRequest = window.indexedDB.open("toDoList", 4);
+
+</span><span style="line-height: 1.5;">DBOpenRequest.onsuccess = function(event) {</span>
+  note.innerHTML += '&lt;li&gt;Database initialised.&lt;/li&gt;';
+
+  // 将打开数据库的结果存储在db变量中
+  // 下面经常用到这个
+  db = this.result;
+
+  // 运行 addData() 函数将数据添加到数据库
+  addData();
+};
+
+function addData() {
+  // 创建一个新对象以准备插入到IDB中
+  var newItem = [ { taskTitle: "Walk dog", hours: 19, minutes: 30, day: 24, month: "December", year: 2013, notified: "no" } ];
+
+  // 打开读/写数据库事务，准备添加数据
+  var transaction = db.transaction(["toDoList"], "readwrite");
+
+  // 当所有事情都完成时，报告事务完成的成功情况
+  transaction.oncomplete = function(event) {
+    note.innerHTML += '&lt;li&gt;Transaction completed.&lt;/li&gt;';
+  };
+
+
+  transaction.onerror = function(event) {
+  note.innerHTML += '&lt;li&gt;Transaction not opened due to error. Duplicate items not allowed.&lt;/li&gt;';
+  };
+
+  // 在事务上创建对象存储
+  var objectStore = transaction.objectStore("toDoList");
+  console.log(objectStore.indexNames);
+
+  // 请求将 newItem 对象 添加到对象存储区
+  var objectStoreRequest = objectStore.add(newItem[0]);
+
+  objectStoreRequest.onsuccess = function(event) {
+    // 报告我们请求的成功
+    note.innerHTML += '&lt;li&gt;Request successful.&lt;/li&gt;';
+  };
+};</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">规范</th>
+   <th scope="col">状态</th>
+   <th scope="col">解释</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('IndexedDB', '#dom-idbobjectstore-indexnames', 'indexNames')}}</td>
+   <td>{{Spec2('IndexedDB')}}</td>
+   <td></td>
+  </tr>
+  <tr>
+   <td>{{SpecName("IndexedDB 2", "#dom-idbobjectstore-indexnames", "indexNames")}}</td>
+   <td>{{Spec2("IndexedDB 2")}}</td>
+   <td></td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容性</h2>
+
+<div>
+
+
+<p>{{Compat("api.IDBObjectStore.indexNames")}}</p>
+</div>
+
+<h2 id="查看其它内容">查看其它内容</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/IndexedDB_API/Using_IndexedDB">使用 IndexedDB</a></li>
+ <li><span id="w_40">启动</span><span id="w_41">事务</span> : {{domxref("IDBDatabase")}}</li>
+ <li>使用事务 : {{domxref("IDBTransaction")}}</li>
+ <li>设置键的范围 : {{domxref("IDBKeyRange")}}</li>
+ <li>检索和更改数据 : {{domxref("IDBObjectStore")}}</li>
+ <li>使用游标 : {{domxref("IDBCursor")}}</li>
+ <li>参考示例 : <a class="external" href="https://github.com/mdn/to-do-notifications/tree/gh-pages">To-do Notifications</a> (<a class="external" href="http://mdn.github.io/to-do-notifications/">view example live</a>.)</li>
+</ul>