<mlabeledtr> - MathML 编辑

The MathML <mlabeledtr> element is used to represent a label in a row either on the left or on the right side (determined using the side attribute on the <mtable> element). Child elements of <mlabeledtr> must be <mtd> elements. The first child is the label whereas all other children are representing row contents and are treated identically to children of <mtr> elements.

Attributes

class, id, style

Provided for use with stylesheets.

columnalign

Overrides the horizontal alignment of cells specified by <mtable> for this row.
Possible values are: left, center and right.

groupalign

href

Used to set a hyperlink to a specified URI.

mathbackground

The background color. You can use #rgb, #rrggbb and HTML color names.

mathcolor

The text color. You can use #rgb, #rrggbb and HTML color names.

rowalign

Overrides the vertical alignment of cells specified by <mtable> for this row.
Possible values are: axis, baseline, bottom, center and top.

Examples

Rendering:

<math>
  <mtable>

    <mlabeledtr>
      <mtd><mn>1</mn></mtd> <!-- label -->
      <mtd><mi>A</mi></mtd>
      <mtd><mi>B</mi></mtd>
    </mlabeledtr>

    <mtr>
      <mtd><mi>C</mi></mtd>
      <mtd><mi>D</mi></mtd>
      <mtd><mi>E</mi></mtd>
    </mtr>

  </mtable>
</math>

Specifications

Browser compatibility

BCD tables only load in the browser

Gecko-specific notes

Starting with Gecko 9.0 (Firefox 9.0 / Thunderbird 9.0 / SeaMonkey 2.6) labels are hidden by default (mlabeledtr > mtd:first-child {display: none}) and will longer break the table rendering completely (see bug 356870). For the actual implementation of this element see bug 689641.

See also

• <mtable> (Table)
• <mtd> (Table cell)
• <mtr> (Table row)