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+---
+title: Element.toggleAttribute()
+slug: Web/API/Element/toggleAttribute
+tags:
+  - API
+  - Element
+  - 元素
+  - 参考
+translation_of: Web/API/Element/toggleAttribute
+---
+<div>{{APIRef("DOM")}}</div>
+
+<p>{{domxref("Element")}} 接口的 <code><strong>toggleAttribute()</strong></code> 方法切换给定元素的某个布尔值属性的状态（如果属性不存在则添加属性，属性存在则移除属性）。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox notranslate"><em>Element</em>.toggleAttribute(<em>name</em> [, <em>force</em>]);
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code>name</code></dt>
+ <dd>A {{domxref("DOMString")}} specifying the name of the attribute to be toggled. The attribute name is automatically converted to all lower-case when <code>toggleAttribute()</code> is called on an HTML element in an HTML document.</dd>
+ <dt><code>force</code> {{optional_inline}}</dt>
+ <dd>A boolean value to determine whether the attribute should be added or removed, no matter whether the attribute is present or not at the moment.</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p><code>true</code> if attribute <strong><code>name</code></strong> is eventually present, and <code>false</code> otherwise.</p>
+
+<h3 id="异常">异常</h3>
+
+<dl>
+ <dt><code>InvalidCharacterError</code></dt>
+ <dd>The specified attribute <code>name</code> contains one or more characters which are not valid in attribute names.</dd>
+</dl>
+
+<h2 id="例子">例子</h2>
+
+<p>在下面的例子中，<code>toggleAttribute()</code> 被用于切换 {{HTMLElement("input")}} 的 <code>readonly</code> 属性。</p>
+
+<h3 id="HTML">HTML</h3>
+
+<pre class="brush: html notranslate">&lt;input value="text"&gt;
+&lt;button&gt;toggleAttribute("readonly")&lt;/button&gt;</pre>
+
+<h3 id="JavaScript">JavaScript</h3>
+
+<pre class="brush:js notranslate">var button = document.querySelector("button");
+var input = document.querySelector("input");
+
+button.addEventListener("click", function(){
+  input.toggleAttribute("readonly");
+});
+</pre>
+
+<h3 id="结果">结果</h3>
+
+<p>{{ EmbedLiveSample('Example', '300', '50') }}</p>
+
+<p>{{DOMAttributeMethods}}</p>
+
+<h2 id="Polyfill">Polyfill</h2>
+
+<div class="standardNoteBlock">
+<p><strong>译者注</strong>：下面代码中的 <code>void 0</code> 即 <code>undefined</code>。</p>
+</div>
+
+<pre class="brush: js notranslate">if (!Element.prototype.toggleAttribute) {
+  Element.prototype.toggleAttribute = function(name, force) {
+    if(force !== void 0) force = !!force
+
+    if (this.getAttribute(name) !== null) {
+      if (force) return true;
+
+      this.removeAttribute(name);
+      return false;
+    } else {
+      if (force === false) return false;
+
+      this.setAttribute(name, "");
+      return true;
+    }
+  };
+}
+</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">规范</th>
+   <th scope="col">状态</th>
+   <th scope="col">备注</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('DOM WHATWG', '#dom-element-toggleattribute', 'Element.toggleAttribute')}}</td>
+   <td>{{Spec2('DOM WHATWG')}}</td>
+   <td></td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("api.Element.toggleAttribute")}}</p>