--- title: Range.surroundContents slug: Web/API/Range/surroundContents tags: - API - DOM - Range - 方法 - 范围 translation_of: Web/API/Range/surroundContents --- <div>{{ ApiRef("Range") }}</div> <p><strong><code>Range.surroundContents()</code> </strong>方法将 {{ domxref("Range") }} 对象的内容移动到一个新的节点,并将新节点放到这个范围的起始处。</p> <p>这个方法与 <code>newNode.appendChild(<a href="/en/DOM/range.extractContents" title="en/DOM/range.extractContents">range.extractContents()</a>); <a href="/en-US/docs/DOM/range.insertNode" title="/en-US/docs/DOM/range.insertNode">range.insertNode</a>(newNode)</code> 等价。应用以后, <code>newNode</code> 包含在 <code>range</code> 的边界点中。</p> <p>然而,如果 {{ domxref("Range") }} 断开了一个非 {{ domxref("Text") }} 节点,只包含了节点的其中一个边界点,就会抛出异常。也就是说,不像上述的等价方法,如果节点仅有一部分被选中,则不会被克隆,整个操作会失败。</p> <h2 id="Syntax" name="Syntax">语法</h2> <pre class="syntaxbox"><em>range</em>.surroundContents(<em>newParent</em>); </pre> <h3 id="参数">参数</h3> <dl> <dt><code>newParent</code></dt> <dd>一个包含内容的 {{ domxref("Node") }}。</dd> </dl> <h2 id="Example" name="Example">示例</h2> <h3 id="HTML">HTML</h3> <pre><span class="header-text">Put this in a headline</span></pre> <h3 id="JavaScript">JavaScript</h3> <pre>const range = document.createRange(); const newParent = document.createElement('h1'); range.selectNode(document.querySelector('.header-text')); range.surroundContents(newParent);</pre> <h3 id="结果">结果</h3> <p><iframe class="live-sample-frame sample-code-frame" frameborder="0" id="frame_Example" src="https://mdn.mozillademos.org/en-US/docs/Web/API/Range/surroundContents$samples/Example?revision=1549261"></iframe></p> <h2 id="Specification" name="Specification">规范</h2> <table class="standard-table"> <tbody> <tr> <th scope="col">规范</th> <th scope="col">状态</th> <th scope="col">注释</th> </tr> <tr> <td>{{SpecName('DOM WHATWG', '#dom-range-surroundcontents', 'Range.surroundContents()')}}</td> <td>{{Spec2('DOM WHATWG')}}</td> <td>No change.</td> </tr> <tr> <td>{{SpecName('DOM2 Traversal_Range', 'ranges.html#Level2-Range-method-surroundContents', 'Range.surroundContents()')}}</td> <td>{{Spec2('DOM2 Traversal_Range')}}</td> <td>Initial specification.</td> </tr> </tbody> </table> <h2 id="浏览器兼容性">浏览器兼容性</h2> <p>{{Compat("api.Range.surroundContents")}}</p> <h2 id="参见">参见</h2> <ul> <li><a href="/en-US/docs/DOM/DOM_Reference" title="/en-US/docs/DOM/DOM_Reference">The DOM interfaces index</a></li> </ul>