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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/element/removeattributenode/index.html | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/element/removeattributenode/index.html b/files/zh-cn/web/api/element/removeattributenode/index.html new file mode 100644 index 0000000000..aa4f31a331 --- /dev/null +++ b/files/zh-cn/web/api/element/removeattributenode/index.html @@ -0,0 +1,40 @@ +--- +title: Element.removeAttributeNode() +slug: Web/API/Element/removeAttributeNode +translation_of: Web/API/Element/removeAttributeNode +--- +<p>{{ APIRef("DOM") }}</p> + +<p><code>removeAttributeNode</code> 从当前的 element(元素节点) 删除指定的属性</p> + +<h2 id="Syntax" name="Syntax">Syntax</h2> + +<pre class="eval"><em>removedAttr</em> = <em>element</em>.removeAttributeNode(<em>attributeNode</em>) +</pre> + +<ul> + <li><code>attributeNode</code> 是需要被删除的 Attr 节点。</li> + <li><code>removedAttr</code> 是被删除了的 Attr 节点。</li> +</ul> + +<h2 id="Example" name="Example">例如</h2> + +<pre>// <div id="top" align="center" /> +var d = document.getElementById("top"); +// getAttributeNode 返回指定元素的指定属性, 返回值是 Attr 节点类型 +var d_align = d.getAttributeNode("align"); +d.removeAttributeNode(d_align); +// 现在 align 被删除了: <div id="top" /> +</pre> + +<h2 id="Notes" name="Notes">注意</h2> + +<p>如果删除有默认值的属性,相当于将属性值替换为默认值。属性只有在具有同样的命名空间、本地名称以及原始前缀时,才会在被删除的时候替换为默认值。</p> + +<p>不像 setAttributeNode 和 setAttributeNodeNS 配对使用那样,需要知道要替换哪个现有属性。removeAttributeNode 没有那样的要求,也没有 removeAttributeNodeNS。removeAttributeNode可以删除命名空间以及非命名空间的属性。</p> + +<p>{{ DOMAttributeMethods() }}</p> + +<h2 id="Specification" name="Specification">规范</h2> + +<p><a class="external" href="http://www.w3.org/TR/DOM-Level-2-Core/core.html#ID-D589198">DOM Level 2 Core: removeAttributeNode</a> (<a class="external" href="http://www.w3.org/TR/REC-DOM-Level-1/level-one-core.html#method-removeAttributeNode">DOM Level 1 Core</a> 里面的介绍)</p> |