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+---
+title: HTMLTableRowElement
+slug: Web/API/HTMLTableRowElement
+tags:
+  - API
+  - HTML DOM
+  - Interface
+  - NeedsTranslation
+  - Reference
+  - TopicStub
+translation_of: Web/API/HTMLTableRowElement
+---
+<div>{{ APIRef("HTML DOM") }}</div>
+
+<p>The <strong><code>HTMLTableRowElement</code></strong> interface provides special properties and methods (beyond the {{domxref("HTMLElement")}} interface it also has available to it by inheritance) for manipulating the layout and presentation of rows in an HTML table.</p>
+
+<p>{{InheritanceDiagram(600, 120)}}</p>
+
+<h2 id="Properties" name="Properties">Properties</h2>
+
+<p><em>Inherits properties from its parent, {{domxref("HTMLElement")}}.</em></p>
+
+<dl>
+ <dt>{{domxref("HTMLTableRowElement.align")}} {{obsolete_inline}}</dt>
+ <dd>Is a {{domxref("DOMString")}} containing an enumerated value reflecting the {{htmlattrxref("align", "tr")}} attribute. It indicates the alignment of the element's contents with respect to the surrounding context. The possible values are <code>"left"</code>, <code>"right"</code>, and <code>"center"</code>.</dd>
+ <dt>{{domxref("HTMLTableRowElement.bgColor")}} {{obsolete_inline}}</dt>
+ <dd>Is a {{domxref("DOMString")}} containing the background color of the cells. It reflects the obsolete {{htmlattrxref("bgColor", "tr")}} attribute.</dd>
+ <dt>{{domxref("HTMLTableRowElement.cells")}} {{readonlyInline}}</dt>
+ <dd>Returns a live {{domxref("HTMLCollection")}} containing the cells in the row. The <code>HTMLCollection</code> is live and is automatically updated when cells are added or removed.</dd>
+ <dt>{{domxref("HTMLTableRowElement.ch")}} {{obsolete_inline}}</dt>
+ <dd>Is a {{domxref("DOMString")}} containing one single character. This character is the one to align all the cell of a column on. It reflects the {{htmlattrxref("char", "tr")}} and default to the decimal points associated with the language, e.g. <code>'.'</code> for English, or <code>','</code> for French. This property was optional and was not very well supported.</dd>
+ <dt>{{domxref("HTMLTableRowElement.chOff")}} {{obsolete_inline}}</dt>
+ <dd>Is a {{domxref("DOMString")}} containing a integer indicating how many characters must be left at the right (for left-to-right scripts; or at the left for right-to-left scripts) of the character defined by <code>HTMLTableRowElement.ch</code>. This property was optional and was not very well supported.</dd>
+ <dt>{{domxref("HTMLTableRowElement.rowIndex")}} {{readonlyInline}}</dt>
+ <dd>Returns a <code>long</code> value which gives the logical position of the row within the entire table. If the row is not part of a table, returns <code>-1</code>.</dd>
+ <dt>{{domxref("HTMLTableRowElement.sectionRowIndex")}} {{readonlyInline}}</dt>
+ <dd>Returns a <code>long</code> value which gives the logical position of the row within the table section it belongs to. If the row is not part of a section, returns <code>-1</code>.</dd>
+ <dt>{{domxref("HTMLTableRowElement.vAlign")}} {{obsolete_inline}}</dt>
+ <dd>Is a {{domxref("DOMString")}} representing an enumerated value indicating how the content of the cell must be vertically aligned. It reflects the {{htmlattrxref("valign", "tr")}} attribute and can have one of the following values: <code>"top"</code>, <code>"middle"</code>, <code>"bottom"</code>, or <code>"baseline"</code>.</dd>
+</dl>
+
+<h2 id="Methods" name="Methods">Methods</h2>
+
+<p><em>Inherits methods from its parent, {{domxref("HTMLElement")}}</em>.</p>
+
+<dl>
+ <dt>{{domxref("HTMLTableRowElement.deleteCell()")}}</dt>
+ <dd>Removes the cell at the given position in the row. If the given position is greater (or equal as it starts at zero) than the amount of cells in the row, or is smaller than <code>0</code>, it raises a {{domxref("DOMException")}} with the <code>IndexSizeError</code> value.</dd>
+ <dt>{{domxref("HTMLTableRowElement.insertCell()")}}</dt>
+ <dd>Inserts a new cell just before the given position in the row. If the given position is not given or is <code>-1</code>, it appends the cell to the row. If the given position is greater (or equal as it starts at zero) than the amount of cells in the row, or is smaller than <code>-1</code>, it raises a {{domxref("DOMException")}} with the <code>IndexSizeError</code> value. Returns a reference to a <a href="/en-US/docs/Web/API/HTMLTableCellElement">HTMLTableCellElement [en-US]</a>.</dd>
+</dl>
+
+<h2 id="Specifications">Specifications</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('HTML WHATWG', "#htmltablerowelement", "HTMLTableRowElement")}}</td>
+   <td>{{Spec2('HTML WHATWG')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('HTML5 W3C', "tabular-data.html#the-tr-element", "HTMLTableRowElement")}}</td>
+   <td>{{Spec2('HTML5 W3C')}}</td>
+   <td>The parameter of <code>insertCell</code> is now optional and default to <code>-1</code>.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('DOM2 HTML', 'html.html#ID-6986576', 'HTMLTableRowElement')}}</td>
+   <td>{{Spec2('DOM2 HTML')}}</td>
+   <td>The <code>cells</code>, <code>rowIndex</code>, and <code>selectionRowIndex</code> properties are now read-only.<br>
+    The methods <code>insertCell</code> and <code>deleteCell</code> can raise exceptions.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('DOM1', 'level-one-html.html#ID-6986576', 'HTMLTableRowElement')}}</td>
+   <td>{{Spec2('DOM1')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+
+
+<p>{{Compat("api.HTMLTableRowElement")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>The HTML element implementing this interface: {{HTMLElement("tr")}}.</li>
+</ul>
+
+<dl>
+ <dt> </dt>
+</dl>
diff --git a/files/zh-cn/web/api/htmltablerowelement/rowindex/index.html b/files/zh-cn/web/api/htmltablerowelement/rowindex/index.html
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+---
+title: HTMLTableRowElement.rowIndex
+slug: Web/API/HTMLTableRowElement/rowIndex
+translation_of: Web/API/HTMLTableRowElement/rowIndex
+---
+<div><font><font>{{APIRef（“ HTML DOM”）}}</font></font></div>
+
+<p><font><font>的</font></font><strong><code>HTMLTableRowElement.rowIndex</code></strong><font><font>只读属性表示一个行相对于整个位置{{的HtmlElement（“表”）}}。</font></font></p>
+
+<p><font><font>即使{{HtmlElement（“ thead”）}}，{{HtmlElement（“ tbody”）}}和{{HtmlElement（“ tfoot”）}}}的元素在HTML中乱序显示，浏览器也会以正确的顺序。</font><font>因此，行数从</font></font><code>&lt;thead&gt;</code><font><font>到</font></font><code>&lt;tbody&gt;</code><font><font>，从</font></font><code>&lt;tbody&gt;</code><font><font>到</font></font><code>&lt;tfoot&gt;</code><font><font>。</font></font></p>
+
+<h2 id="句法"><font><font>句法</font></font></h2>
+
+<pre class="syntaxbox notranslate"><font><font>var </font></font><em><font><font>index</font></font></em><font><font> = </font></font><em><font><font>HTMLTableRowElement</font></font></em><font><font> .rowIndex</font></font></pre>
+
+<h3 id="值"><font><font>值</font></font></h3>
+
+<p><font><font>返回该行的索引，或者</font></font><code>-1</code><font><font>如果该行不属于表的一部分，则</font><font>返回该索引</font><font>。</font></font></p>
+
+<h2 id="例"><font><font>例</font></font></h2>
+
+<p><font><font>本示例使用JavaScript标记表中的所有行号。</font></font></p>
+
+<h3 id="的HTML"><font><font>的HTML</font></font></h3>
+
+<pre class="brush: html notranslate"><font><font>&lt;表格&gt;</font></font><font><font>
+  &lt;thead&gt;</font></font><font><font>
+    &lt;tr&gt; &lt;th&gt;商品&lt;/ th&gt; &lt;th&gt;价格&lt;/ th&gt; &lt;/ tr&gt;</font></font><font><font>
+  &lt;/ thead&gt;</font></font><font><font>
+  &lt;身体&gt;</font></font><font><font>
+    &lt;tr&gt; &lt;td&gt;香蕉&lt;/ td&gt; &lt;td&gt; $ 2 &lt;/ td&gt; &lt;/ tr&gt;</font></font><font><font>
+    &lt;tr&gt; &lt;td&gt;橙色&lt;/ td&gt; &lt;td&gt; $ 8 &lt;/ td&gt; &lt;/ tr&gt;</font></font><font><font>
+    &lt;tr&gt; &lt;td&gt;顶级沙朗&lt;/ td&gt; &lt;td&gt; $ 20 &lt;/ td&gt; &lt;/ tr&gt;</font></font><font><font>
+  &lt;/ tbody&gt;</font></font><font><font>
+  &lt;脚&gt;</font></font><font><font>
+    &lt;tr&gt; &lt;td&gt;总计&lt;/ td&gt; &lt;td&gt; $ 30 &lt;/ td&gt; &lt;/ tr&gt;</font></font><font><font>
+  &lt;/ tfoot&gt;</font></font><font><font>
+&lt;/ table&gt;</font></font></pre>
+
+<h3 id="的JavaScript"><font><font>的JavaScript</font></font></h3>
+
+<pre class="brush: js notranslate"><font><font>让行= document.querySelectorAll（'tr'）;</font></font>
+<font><font>
+rows.forEach（（row）=&gt; {</font></font><font><font>
+  让z = document.createElement（“ td”）;</font></font><font><font>
+  z.textContent =`（row＃$ {row.rowIndex}）`;</font></font><font><font>
+  row.appendChild（z）;</font></font><font><font>
+}）;</font></font></pre>
+
+<h3 id="结果"><font><font>结果</font></font></h3>
+
+<p><font><font>{{EmbedLiveSample（“ Example”）}}</font></font></p>
+
+<h2 id="浏览器兼容性"><font><font>浏览器兼容性</font></font></h2>
+
+<div class="hidden"><font><font>此页面上的兼容性表是根据结构化数据生成的。</font><font>如果您想提供数据，请查看</font></font><a href="https://github.com/mdn/browser-compat-data"><font><font>https://github.com/mdn/browser-compat-data</font></font></a><font><font>并向我们​​发送请求请求。</font></font></div>
+
+<p><font><font>{{Compat（“ api.HTMLTableRowElement.rowIndex”）}}</font></font></p>