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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/range/setend/index.html | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/range/setend/index.html b/files/zh-cn/web/api/range/setend/index.html new file mode 100644 index 0000000000..0a59945e12 --- /dev/null +++ b/files/zh-cn/web/api/range/setend/index.html @@ -0,0 +1,120 @@ +--- +title: Range.setEnd() +slug: Web/API/Range/setEnd +tags: + - 范围对象 +translation_of: Web/API/Range/setEnd +--- +<p><strong><code>Range.setEnd()</code></strong>方法用于设置 <a href="https://developer.mozilla.org/zh-CN/docs/Web/API/Range" title="Range表示包含节点和部分文本节点的文档片段。"><code>Range</code></a>的结束位置。</p> + +<p> </p> + +<p>如果结束节点类型是 <code>Text</code>, <code>Comment</code>, or <code>CDATASection</code>之一, 那么 <code>endOffset指的是</code>从结束节点算起字符的偏移量。 对于其他 <code>Node</code> 类型节点, <code>endOffset</code>是指从结束结点开始算起子节点的偏移量。</p> + +<p>如果设置的结束点在起始点之上(在文档中的位置),将会导致选区折叠,起始点和结束点都会被设置为指定的结束位置。</p> + +<p> </p> + +<h2 id="Syntax" name="Syntax">语法</h2> + +<pre class="syntaxbox"><em>range</em>.setEnd(<em>endNode</em>, <em>endOffset</em>); +</pre> + +<h3 id="参数">参数</h3> + +<dl> + <dt><em>endNode</em></dt> + <dd><em>endNode</em>用于设定 <a href="https://developer.mozilla.org/zh-CN/docs/Web/API/Range" title="Range表示包含节点和部分文本节点的文档片段。"><code>Range</code></a>的结束位置。</dd> + <dt><em>endOffset</em></dt> + <dd>必须为不小于0的整数。表示从<em>endNode</em>的结束位置算起的偏移量。</dd> +</dl> + +<h2 id="Example" name="Example">例子</h2> + +<pre class="brush: js">var range = document.createRange(); +var endNode = document.getElementsByTagName("p").item(3); +var endOffset = endNode.childNodes.length; +range.setEnd(endNode, endOffset); +</pre> + +<h2 id="Specification" name="Specification">规范</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('DOM WHATWG', '#dom-range-setend', 'Range.setEnd()')}}</td> + <td>{{Spec2('DOM WHATWG')}}</td> + <td>No change.</td> + </tr> + <tr> + <td>{{SpecName('DOM2 Traversal_Range', 'ranges.html#Level2-Range-method-setEnd', 'Range.setEnd()')}}</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>{{CompatibilityTable}}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Edge</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoDesktop("1.0")}}</td> + <td>9.0</td> + <td>9.0</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Edge</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoMobile("1.0")}}</td> + <td>9.0</td> + <td>9.0</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<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> |