<mphantom>

Baseline 2023
Newly available

Since January 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

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

Attributes

This element accepts the global MathML attributes.

Examples

html
<math display="block">
  <mrow>
    <mi>x</mi>
    <mo>+</mo>
    <mphantom>
      <mi>y</mi>
      <mo>+</mo>
    </mphantom>
    <mi>z</mi>
  </mrow>
</math>

Technical summary

Specifications

Specification
MathML Core
# making-sub-expressions-invisible-mphantom

Browser compatibility

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
mphantom

Legend

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

Full support
Full support
No support
No support

See also