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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome No support NoEdge ? Firefox Full support 1IE No support NoOpera No support NoSafari Full support 6WebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 4Opera Android No support NoSafari iOS No support NoSamsung Internet Android ?
accentChrome No support NoEdge ? Firefox Full support 1IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 4Opera Android No support NoSafari iOS No support NoSamsung Internet Android ?
accentunderChrome No support NoEdge ? Firefox Full support 1IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 4Opera Android No support NoSafari iOS No support NoSamsung Internet Android ?
alignChrome No support NoEdge ? Firefox Full support 12IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 14Opera Android No support NoSafari iOS No support NoSamsung Internet Android ?
hrefChrome No support NoEdge ? Firefox Full support 7IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 7Opera Android No support NoSafari iOS No support NoSamsung Internet Android ?
mathbackgroundChrome No support NoEdge ? Firefox Full support 4IE No support NoOpera No support NoSafari Full support 6WebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 4Opera Android No support NoSafari iOS No support NoSamsung Internet Android ?
mathcolorChrome No support NoEdge ? Firefox Full support 4IE No support NoOpera No support NoSafari Full support 6WebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 4Opera Android No support NoSafari iOS No support NoSamsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown

See also

Document Tags and Contributors

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