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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.removeAttribute()
+slug: Web/API/Element/removeAttribute
+tags:
+ - 属性
+ - 方法
+translation_of: Web/API/Element/removeAttribute
+---
+<p>{{ APIRef("DOM") }}</p>
+
+<p><span class="seoSummary">{{domxref("Element", "元素")}}方法 <code><strong>removeAttribute()</strong></code> 从指定的元素中删除一个属性。</span></p>
+
+<h3 id="语法">语法</h3>
+
+<pre class="syntaxbox notranslate"><em>element</em>.removeAttribute(<em>attrName</em>);
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><font face="consolas, Liberation Mono, courier, monospace"><span style="background-color: rgba(220, 220, 220, 0.5);">属性名</span></font></dt>
+ <dd>{{domxref("DOMString")}}指定要从元素中移除的属性的名称。如果指定的属性不存在,则removeAttribute()返回,但不会生成错误。</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p>IE 返回boolean类型值,其他返回undefined</p>
+
+<div class="note">
+<p><strong>注意:</strong>因为 <code>removeAttribute()</code> 不会返回任何有效值,你不能使用链式方法(连续使用方法,例如 <code>document.body.removeAttribute("first").removeAttribute("second")…</code>)连续移除多个属性。</p>
+</div>
+
+<h2 id="Notes" name="Notes">使用说明</h2>
+
+<p>若要彻底移除一个属性的效果,应当使用  <code>removeAttribute()</code>,而不是使用 {{domxref("Element.setAttribute", "setAttribute()")}} 将属性值设置为  <code>null</code>。对于许多属性,如果仅将其值设为 <code>null</code>,这不会造达成和预期一样的效果。</p>
+
+<p>{{ DOMAttributeMethods() }}</p>
+
+<h2 id="例子">例子</h2>
+
+<pre class="brush: js notranslate">// Given: &lt;div id="div1" align="left" width="200px"&gt;
+document.getElementById("div1").removeAttribute("align");
+// Now: &lt;div id="div1" width="200px"&gt;
+</pre>
+
+<h2 id="规范">规范</h2>
+
+<p><a class="external" href="http://www.w3.org/TR/DOM-Level-2-Core/core.html#ID-6D6AC0F9">DOM Level 2 Core: removeAttribute</a> (introduced in <a class="external" href="http://www.w3.org/TR/REC-DOM-Level-1/level-one-core.html#method-removeAttribute">DOM Level 1 Core</a>)</p>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("api.Element.removeAttribute")}}</p>