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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/attr/prefix | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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Diffstat (limited to 'files/zh-cn/web/api/attr/prefix')
-rw-r--r-- | files/zh-cn/web/api/attr/prefix/index.html | 67 |
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diff --git a/files/zh-cn/web/api/attr/prefix/index.html b/files/zh-cn/web/api/attr/prefix/index.html new file mode 100644 index 0000000000..16215636ec --- /dev/null +++ b/files/zh-cn/web/api/attr/prefix/index.html @@ -0,0 +1,67 @@ +--- +title: Attr.prefix +slug: Web/API/Attr/prefix +translation_of: Web/API/Attr/prefix +--- +<div>{{APIRef("DOM")}}</div> + +<p><code><strong>Attr.prefix</strong></code> 为只读属性,返回指定标签属性的名字空间前缀,如果没有前缀则返回 <code>null</code>。</p> + +<div class="note"> +<p>在 DOM4 之前此 API 被定义在 {{domxref("Node")}} 接口中。</p> +</div> + +<h2 id="语法">语法</h2> + +<pre class="syntaxbox notranslate"><var>string</var> = <var>attribute</var>.prefix +</pre> + +<h2 id="示例">示例</h2> + +<p>下例在控制台中输出“x”。</p> + +<pre class="brush:xml notranslate"><div x:id="example" onclick="console.log(this.attributes[0].prefix)"/> +</pre> + +<h2 id="注意">注意</h2> + +<p>该属性仅在使用有名字空间解析功能的解析器时有效,例如一个MIME类型为XML的文档。在HTML文档中无效。</p> + +<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-attr-prefix', 'Attr: prefix')}}</td> + <td>{{Spec2('DOM WHATWG')}}</td> + <td></td> + </tr> + <tr> + <td>{{SpecName("DOM4", "#dom-attr-prefix", "Attr.prefix")}}</td> + <td>{{Spec2("DOM4")}}</td> + <td></td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</h2> + + + +<p>{{Compat("api.Attr.prefix")}}</p> + +<h2 id="参考">参考</h2> + +<ul> + <li>{{domxref("Attr.namespaceURI")}}</li> + <li>{{domxref("Attr.localName")}}</li> + <li>{{domxref("Element.prefix")}}</li> + <li>{{domxref("Node.prefix")}}</li> +</ul> |