The MathML <munderover> element is used to attach accents or limits both under and over an expression.
It uses the following syntax: <munderover> base underscript overscript </munderover>

Attributes

accent
If true, the overscript is an accent, which is drawn closer to the base expression.
If false (default value), the overscript is a limit over the base expression.
accentunder
If true, the underscript is an accent, which is drawn closer to the base expression.
If false (default value), the underscript is a limit under the base expression.
align
The alignment of both underscript and overscript. Possible values are: left, center, and right.
class, id, style
Provided for use with stylesheets.
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.

Examples

Sample rendering: integral-0-infinity

Rendering in your browser: 0

<math displaystyle="true"> 

  <munderover >
    <mo> &#x222B; <!--INTEGRAL--> </mo>
    <mn> 0 </mn>
    <mi> &#x221E; <!--INFINITY--> </mi>
  </munderover>

</math>

Specifications

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

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support No ?1 No No6
accent No ?1 No No No
accentunder No ?1 No No No
align No ?12 No No No
href No ?7 No No No
mathbackground No ?4 No No6
mathcolor No ?4 No No6
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support No No ?4 No No ?
accent No No ?4 No No ?
accentunder No No ?4 No No ?
align No No ?14 No No ?
href No No ?7 No No ?
mathbackground No No ?4 No No ?
mathcolor No No ?4 No No ?

See also

Document Tags and Contributors

Contributors to this page: fscholz, camoy, fred.wang, Sheppy, evilpie, jswisher
Last updated by: fscholz,