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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/collapsed | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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-rw-r--r-- | files/zh-cn/web/api/range/collapsed/index.html | 104 |
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diff --git a/files/zh-cn/web/api/range/collapsed/index.html b/files/zh-cn/web/api/range/collapsed/index.html new file mode 100644 index 0000000000..36a9f82972 --- /dev/null +++ b/files/zh-cn/web/api/range/collapsed/index.html @@ -0,0 +1,104 @@ +--- +title: Range.collapsed +slug: Web/API/Range/collapsed +translation_of: Web/API/Range/collapsed +--- +<div> +<p>{{ APIRef("DOM") }}</p> +</div> + +<p> <code><strong>Range.collapsed</strong></code> 是只读属性。它返回一个 {{domxref("Boolean")}} 值表示是否起始点和结束点是同一个位置。 如果返回 <code>true</code> 表示{{domxref("Range")}} 的起始位置和结束位置重合, <code>false</code> 表示不重合。</p> + +<p> 一个折叠的{{domxref("Range")}} 是空的,不包含内容,表示Dom树中的一个点。collapsed 属性是只读的。可以调用 {{domxref("Range.collapse()")}} 方法来折叠选区。</p> + +<h2 id="Syntax" name="Syntax">语法</h2> + +<pre class="syntaxbox"><em>isCollapsed</em> = <em>range</em>.collapsed; +</pre> + +<h2 id="Example" name="Example">例子</h2> + +<pre class="brush:js">var range = document.createRange(); + +range.setStart(startNode,startOffset); +range.setEnd(endNode,endOffset); +isCollapsed = range.collapsed; +</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-collapsed', 'Range.collapsed')}}</td> + <td>{{Spec2('DOM WHATWG')}}</td> + <td>No change.</td> + </tr> + <tr> + <td>{{SpecName('DOM2 Traversal_Range', 'ranges.html#Level-2-Range-attr-collapsed', 'Range.collapsed')}}</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>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Basic support</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>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>{{CompatGeckoMobile("1.0")}}</td> + <td>9.0</td> + <td>9.0</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="参阅">参阅</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> |