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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/setattributenodens | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/element/setattributenodens/index.html b/files/zh-cn/web/api/element/setattributenodens/index.html new file mode 100644 index 0000000000..9e791e1f0c --- /dev/null +++ b/files/zh-cn/web/api/element/setattributenodens/index.html @@ -0,0 +1,47 @@ +--- +title: Element.setAttributeNodeNS() +slug: Web/API/Element/setAttributeNodeNS +translation_of: Web/API/Element/setAttributeNodeNS +--- +<p>{{ APIRef("DOM") }}</p> + +<p><code>setAttributeNodeNS</code> 可以给一个元素添加一个新的命名空间的属性节点.</p> + +<p> (如果对中文有疑惑,请直接阅读原文)</p> + +<h2 id="Syntax" name="Syntax">Syntax </h2> + +<pre class="eval"><em>replacedAttr</em> = element.setAttributeNodeNS(<em>attributeNode</em>) +</pre> + +<ul> + <li><code>replacedAttr</code> 是被替换的节点, 如果存在, 由此函数返回.</li> + <li><code>attributeNode</code> 是一个属性节点.</li> +</ul> + +<h2 id="Example" name="Example">Example</h2> + +<pre>// <div id="one" xmlns:myNS="http://www.mozilla.org/ns/specialspace" + myNS:special-align="utterleft">one</div> +// <div id="two">two</div> + + +var myns = "http://www.mozilla.org/ns/specialspace"; +var d1 = document.getElementById("one"); +var d2 = document.getElementById("two"); +var a = d1.getAttributeNodeNS(myns, "special-align"); +d2.setAttributeNodeNS(a.cloneNode(true)); +alert(d2.attributes[1].value) // returns: `utterleft' +</pre> + +<h2 id="Notes" name="Notes">Notes</h2> + +<p>如果指定的属性在元素上存在, 接着此属性被新的属性替换的话被替换的属性会被返回.</p> + +<p>注意:如果你尝试设置的时候没有克隆那个节点,Mozia会抛出一个NS_ERROR_DOM_INUSE_ATTRIBUTE_ERR :"Attribute already in use" 错误, 因为DOM需要克隆属性之后才能重复使用( 不像其他节点一样可以被删除 ) 。</p> + +<p>{{ DOMAttributeMethods() }}</p> + +<h2 id="Specification" name="Specification">Specification</h2> + +<p><a class="external" href="http://www.w3.org/TR/DOM-Level-2-Core/core.html#ID-ElSetAtNodeNS">DOM Level 2 Core: setAttributeNodeNS</a></p> |