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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: Element.getAttributeNames()
+slug: Web/API/Element/getAttributeNames
+tags:
+ - getAttributeNames
+translation_of: Web/API/Element/getAttributeNames
+---
+<p>{{APIRef("DOM")}}</p>
+
+<p><span class="seoSummary"><code>Element.getAttributeNames()</code> 返回一个</span>{{jsxref("Array")}}<span class="seoSummary">,该数组包含指定元素(Element)的所有属性名称,如果该元素不包含任何属性,则返回一个空数组。</span></p>
+
+<p>将 <code>getAttributeNames()</code> 与 {{domxref("Element.getAttribute","getAttribute()")}} 组合使用, 是一种有效替代 {{domxref("Element.attributes")}} 的使用方法.</p>
+
+<h2 id="Syntax" name="Syntax">语法</h2>
+
+<pre class="syntaxbox"><em>let attributeNames</em> = element.getAttributeNames();
+</pre>
+
+<h2 id="Example" name="Example">例子</h2>
+
+<pre class="brush:js">// 遍历elements的元素
+for(let name of element.getAttributeNames())
+{
+ let value = element.getAttribute(name);
+ console.log(name, value);
+}
+</pre>
+
+<h2 id="规范">规范</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("DOM WHATWG", "#dom-element-getattributenames", "Element.getAttributeNames")}}</td>
+ <td>{{Spec2("DOM WHATWG")}}</td>
+ <td>Initial definition</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Chrome</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari (WebKit)</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatChrome(61)}}</td>
+ <td>{{CompatGeckoDesktop(45)}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatOpera(48)}}</td>
+ <td>{{CompatSafari(9)}}</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>Firefox Mobile (Gecko)</th>
+ <th>Firefox OS</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatChrome(61)}}</td>
+ <td>{{CompatChrome(61)}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatOperaMobile(48)}}</td>
+ <td>{{CompatUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>