<munder>

The MathML <munder> element is used to attach an accent or a limit under an expression. It uses the following syntax: <munder> base underscript </munder>

Attributes

accentunder
If true, the element is an accent, which is drawn closer to the base expression.
If false (default value), the element is a limit under the base expression.
align
The alignment of the underscript. Possible values are: left, center, and right.
This attribute is deprecated and will be removed in the future. Use CSS text-align instead.
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: x+y+z

Rendering in your browser: x + y + z

<math>

<munder accentunder="true">
  <mrow>
    <mi> x </mi>
    <mo> + </mo>
    <mi> y </mi>
    <mo> + </mo>
    <mi> z </mi>
  </mrow>
  <mo> &#x23DF; <!--BOTTOM CURLY BRACKET--> </mo>
</munder> 

</math>

Specifications

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

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
munderChrome No support NoEdge No support NoFirefox Full support 1IE No support NoOpera No support NoSafari Full support 5.1WebView Android No support NoChrome Android No support NoFirefox Android Full support 4Opera Android No support NoSafari iOS Full support 5.1Samsung Internet Android No support No
accentunderChrome No support NoEdge No support NoFirefox Full support 1IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoFirefox Android Full support 4Opera Android No support NoSafari iOS No support NoSamsung Internet Android No support No
align
Deprecated
Chrome No support NoEdge No support NoFirefox Full support 12
Notes
Full support 12
Notes
Notes Removed from Firefox Nightly 71 in bug 1548530.
IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoFirefox Android Full support 14Opera Android No support NoSafari iOS No support NoSamsung Internet Android No support No
hrefChrome No support NoEdge No support NoFirefox Full support 7IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoFirefox Android Full support 7Opera Android No support NoSafari iOS No support NoSamsung Internet Android No support No
mathbackgroundChrome No support NoEdge No support NoFirefox Full support 4IE No support NoOpera No support NoSafari Full support 5.1WebView Android No support NoChrome Android No support NoFirefox Android Full support 4Opera Android No support NoSafari iOS Full support 5.1Samsung Internet Android No support No
mathcolorChrome No support NoEdge No support NoFirefox Full support 4IE No support NoOpera No support NoSafari Full support 5.1WebView Android No support NoChrome Android No support NoFirefox Android Full support 4Opera Android No support NoSafari iOS Full support 5.1Samsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.
See implementation notes.
See implementation notes.

See also