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+---
+title: IDBFactory
+slug: Web/API/IDBFactory
+translation_of: Web/API/IDBFactory
+---
+<p>{{APIRef("IndexedDB")}}</p>
+
+<div>
+<p>A interface IDBFactory, pertencente a <a href="/en-US/docs/IndexedDB">IndexedDB API</a> , permite que aplicativos acessem de forma assíncrona os bancos de dados indexados. O objeto que implementa a interface é o window.indexedDB, com este objeto é possível criar, acessar, modificar e excluir informações de um banco de dados. </p>
+
+<p>{{AvailableInWorkers}}</p>
+</div>
+
+<h2 id="Métodos">Métodos</h2>
+
+<dl>
+ <dt>{{domxref("IDBFactory.open")}}</dt>
+ <dd>Realizar a abertura de uma <a href="https://developer.mozilla.org/en-US/docs/IndexedDB#gloss_database_connection">conexão com uma base de dados</a>.</dd>
+ <dt>{{domxref("IDBFactory.deleteDatabase")}}</dt>
+ <dd>Remove uma base de dados.</dd>
+ <dt>{{domxref("IDBFactory.cmp")}}</dt>
+ <dd>Compara dois valores chaves e determina se elas são iguais e se não, quem é a maior.</dd>
+</dl>
+
+<h3 id="Métodos_Obsoletos">Métodos Obsoletos</h3>
+
+<dl>
+ <dt><code><a href="/en-US/docs/Web/API/IDBFactory.open-obsolete">IDBFactory.open</a></code>, a versão original {{ obsolete_inline }}</dt>
+ <dd>Este método realizava <a href="https://developer.mozilla.org/en-US/docs/IndexedDB#gloss_database_connection">conexão com uma base de dados</a>, ele ainda é usado em alguns navegadores.</dd>
+</dl>
+
+<h2 id="Exemplo">Exemplo</h2>
+
+<p>No código abaixo, realizamos uma conexão com um banco de dados e incluímos manipuladores para os casos de sucesso e erro. Você pode obter o <a class="external" href="https://github.com/mdn/to-do-notifications/tree/gh-pages">To-do Notifications</a> app como exemplo (<a class="external" href="http://mdn.github.io/to-do-notifications/">Visualizar exemplo</a>.)</p>
+
+<pre class="brush:js;highlight:[10]">var note = document.querySelector("ul");
+
+// In the following line, you should include the prefixes of implementations you want to test.
+window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+// DON'T use "var indexedDB = ..." if you're not in a function.
+// Moreover, you may need references to some window.IDB* objects:
+window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBTransaction;
+window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange;
+// (Mozilla has never prefixed these objects, so we don't need window.mozIDB*)
+
+// Let us open version 4 of our database
+var DBOpenRequest = window.indexedDB.open("toDoList", 4);
+
+// these two event handlers act on the database being opened successfully, or not
+DBOpenRequest.onerror = function(event) {
+  note.innerHTML += '&lt;li&gt;Error loading database.&lt;/li&gt;';
+};
+
+DBOpenRequest.onsuccess = function(event) {
+  note.innerHTML += '&lt;li&gt;Database initialised.&lt;/li&gt;';
+
+  // store the result of opening the database in the db variable. This is used a lot later on, for opening transactions and suchlike.
+  db = DBOpenRequest.result;
+};
+</pre>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('IndexedDB', '#idl-def-IDBFactory', 'IDBFactory')}}</td>
+   <td>{{Spec2('IndexedDB')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName("IndexedDB 2", "#factory-interface", "IDBFactory")}}</td>
+   <td>{{Spec2("IndexedDB 2")}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">Browser compatibility</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Edge</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari (WebKit)</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatChrome(23)}} {{property_prefix("webkit")}}<br>
+    {{CompatChrome(24)}} (unprefixed)<br>
+    {{CompatChrome(38)}} (prefixes deprecated)<br>
+    {{CompatChrome(57)}} (prefixes removed)</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>10 {{property_prefix("moz")}}<br>
+    {{CompatGeckoDesktop("16.0")}}</td>
+   <td>10, partial</td>
+   <td>15<br>
+    {{CompatOpera(44)}} (prefixes removed)</td>
+   <td>7.1</td>
+  </tr>
+  <tr>
+   <td>Available in workers</td>
+   <td>{{CompatVersionUnknown}} (unprefixed)<br>
+    {{CompatChrome(38)}} (prefixes deprecated)<br>
+    {{CompatChrome(57)}} (prefixes removed)</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoMobile("37.0")}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatVersionUnknown}}<br>
+    {{CompatOpera(44)}} (prefixes removed)</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+  <tr>
+   <td>Indexed Database 2.0</td>
+   <td>{{CompatChrome(58)}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatOpera(45)}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android Webview</th>
+   <th>Chrome for Android</th>
+   <th>Edge</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>Firefox OS</th>
+   <th>IE Phone</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatVersionUnknown}}<br>
+    {{CompatChrome(38)}} (prefixes deprecated)<br>
+    {{CompatChrome(57)}} (prefixes removed)</td>
+   <td>{{CompatVersionUnknown}}<br>
+    {{CompatChrome(38)}} (prefixes deprecated)<br>
+    {{CompatChrome(57)}} (prefixes removed)</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoMobile("22.0")}}</td>
+   <td>1.0.1</td>
+   <td>10</td>
+   <td>22<br>
+    {{CompatOperaMobile(44)}} (prefixes removed)</td>
+   <td>8</td>
+  </tr>
+  <tr>
+   <td>Available in workers</td>
+   <td>{{CompatVersionUnknown}} (unprefixed)<br>
+    {{CompatChrome(38)}} (prefixes deprecated)<br>
+    {{CompatChrome(57)}} (prefixes removed)</td>
+   <td>{{CompatVersionUnknown}} (unprefixed)<br>
+    {{CompatChrome(38)}} (prefixes deprecated)<br>
+    {{CompatChrome(57)}} (prefixes removed)</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoMobile("37.0")}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatVersionUnknown}}<br>
+    {{CompatOperaMobile(44)}} (prefixes removed)</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+  <tr>
+   <td>Indexed Database 2.0</td>
+   <td>{{CompatChrome(58)}}</td>
+   <td>{{CompatChrome(58)}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatOperaMobile(45)}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/IndexedDB_API/Using_IndexedDB">Usando IndexedDB</a></li>
+ <li>Inicializando uma Transaction: {{domxref("IDBDatabase")}}</li>
+ <li>Usando uma Transaction: {{domxref("IDBTransaction")}}</li>
+ <li>Configurando um Intervalo de chaves: {{domxref("IDBKeyRange")}}</li>
+ <li>Recuperando e modificando dados: {{domxref("IDBObjectStore")}}</li>
+ <li>Usando cursors: {{domxref("IDBCursor")}}</li>
+ <li>Exemplo de referência: <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/">Visualizar exemplo</a>.)</li>
+</ul>