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The MathML <mphantom> element is rendered invisibly, but dimensions (such as height, width, and baseline position) are still kept.

Attributes

class, id, style
Provided for use with stylesheets.
mathbackground
The background color. You can use #rgb, #rrggbb and HTML color names.

Examples

Sample rendering: x+  z

Rendering in your browser: x + y + z

<math>

<mrow>
  <mi> x </mi>
  <mo> + </mo> 
  <mphantom>
    <mi> y </mi>
    <mo> + </mo>
  </mphantom>
  <mi> z </mi>
</mrow>

</math>

Specifications

Specification Status Comment
MathML 3.0
The definition of 'mphantom' in that specification.
Recommendation Current specification
MathML 2.0
The definition of 'mphantom' in that specification.
Recommendation Initial specification

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support No support 1.0 (1.7 or earlier) No support No support 5.1
mathbackground No support 4.0 (2.0) No support No support 5.1
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support No support No support 1.0 (1.0) No support No support No support
mathbackground No support No support 4.0 (2.0) No support No support No support

See also

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此页面的贡献者: fscholz, fred.wang, Sheppy, teoli, jswisher
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