HTMLTableCellElement:cellIndex 属性

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

HTMLTableCellElement 接口的 cellIndex 只读属性表示单元格在其所在行(<tr>)中的位置。第一个单元格的索引是 0

返回单元格的索引,或如果单元格不属于任何行,则返回 -1

示例

此示例为 tbody 中第一行的所有单元格编号添加标签。

HTML

html
<table>
  <thead>
    <tr>
      <th>商品</th>
      <th>价格</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>香蕉</td>
      <td>$2</td>
    </tr>
    <tr>
      <td>大米</td>
      <td>$2.5</td>
    </tr>
  </tbody>
</table>

JavaScript

js
const rows = document.querySelectorAll("tbody tr");
const cells = rows[0].cells;

for (const cell of cells) {
  cell.textContent = `${cell.textContent}(单元格 #${cell.cellIndex}`;
}

结果

规范

Specification
HTML
# dom-tdth-cellindex

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
cellIndex

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support