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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/node/nodevalue | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/node/nodevalue/index.html b/files/zh-cn/web/api/node/nodevalue/index.html new file mode 100644 index 0000000000..7f09ffc4f4 --- /dev/null +++ b/files/zh-cn/web/api/node/nodevalue/index.html @@ -0,0 +1,111 @@ +--- +title: Node.nodeValue +slug: Web/API/Node/nodeValue +tags: + - API + - DOM + - Node + - Property +translation_of: Web/API/Node/nodeValue +--- +<p>{{APIRef("DOM")}}</p> + +<p>{{domxref("Node")}} 的 <code><strong>nodeValue</strong></code> 属性返回或设置当前节点的值。</p> + +<h2 id="Syntax" name="Syntax">语法</h2> + +<pre class="syntaxbox"><var>str</var> = <var>node</var>.nodeValue; +<em>node</em>.nodeValue = <em>str</em>; +</pre> + +<p>value是一个包含当前节点的值的字符串(如果有的话)。</p> + +<h3 id="Notes" name="Notes">值</h3> + +<p>对于文档节点来说, <code>nodeValue</code>返回<code>null</code>. 对于text, comment, 和 CDATA 节点来说, <code>nodeValue返回该节点的文本内容</code>. 对于 attribute 节点来说, 返回该属性的属性值.</p> + +<p>下表就是不同类型的节点所返回的该属性的值.</p> + +<table> + <thead> + <tr> + <th scope="col">Node</th> + <th scope="col">Value of nodeValue</th> + </tr> + </thead> + <tbody> + </tbody> + <tbody> + <tr> + <td>{{domxref("CDATASection")}}</td> + <td>CDATA的文本内容</td> + </tr> + <tr> + <td>{{domxref("Comment")}}</td> + <td>注释的文本内容</td> + </tr> + <tr> + <td>{{domxref("Document")}}</td> + <td>null</td> + </tr> + <tr> + <td>{{domxref("DocumentFragment")}}</td> + <td>null</td> + </tr> + <tr> + <td>{{domxref("DocumentType")}}</td> + <td>null</td> + </tr> + <tr> + <td>{{domxref("Element")}}</td> + <td>null</td> + </tr> + <tr> + <td>{{domxref("NamedNodeMap")}}</td> + <td>null</td> + </tr> + <tr> + <td>{{domxref("EntityReference")}}</td> + <td>null</td> + </tr> + <tr> + <td>{{domxref("Notation")}}</td> + <td>null</td> + </tr> + <tr> + <td>{{domxref("ProcessingInstruction")}}</td> + <td>整个标签的文本内容</td> + </tr> + <tr> + <td>{{domxref("Text")}}</td> + <td>文本节点的内容</td> + </tr> + </tbody> +</table> + +<p>如果<code>nodeValue的值为</code><code>null</code>,则对它赋值也不会有任何效果.</p> + +<h2 id="Specification" name="Specification">规范</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName("DOM WHATWG", "#dom-node-nodevalue", "Node: nodeValue")}}</td> + <td>{{Spec2("DOM WHATWG")}}</td> + <td></td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</h2> + + + +<p>{{Compat("api.Node.nodeValue")}}</p> |