<mfenced>

Deprecated
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The deprecated MathML <mfenced> element provides the possibility to add custom opening and closing parentheses (such as brackets) and separators (such as commas or semicolons) to an expression.

This element will be removed in the future. Use the <mrow> and <mo> elements instead.

Attributes

class, id, style
Provided for use with stylesheets.
close
A string for the closing delimiter. The default value is ")" and any white space is trimmed.
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 and also the fraction line color. You can use #rgb, #rrggbb and HTML color names.
open
A string for the opening delimiter. The default value is "(" and any white space is trimmed.
separators
A sequence of zero or more characters to be used for different separators, optionally divided by white space, which is ignored. The default value is ",". By specifying more than one character, it is possible to set different separators for each argument in the expression. If there are too many separators, all excess is ignored. If there are too few separators in the expression, the last specified separator is repeated.

Examples

The last separator is repeated (,)

Sample rendering: {a;b;c,d,e}

Rendering in your browser: a b c d e

<math>
  <mfenced open="{" close="}" separators=";;,"> 
    <mi>a</mi> 
    <mi>b</mi> 
    <mi>c</mi> 
    <mi>d</mi> 
    <mi>e</mi> 
  </mfenced> 
</math>

All excess is ignored (,)

Sample rendering: [a|b|c|d|e]

Rendering in your browser: a b c d e

<math>
  <mfenced open="[" close="]" separators="||||,"> 
    <mi>a</mi> 
    <mi>b</mi> 
    <mi>c</mi> 
    <mi>d</mi> 
    <mi>e</mi> 
  </mfenced> 
</math>

Specifications

Specification Status Comment
MathML 3.0
The definition of 'mfenced' in that specification.
Recommendation Current specification
MathML 2.0
The definition of 'mfenced' 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
mfencedChrome No support NoEdge No support NoFirefox Full support 1IE No support NoOpera No support NoSafari Full support 6WebView Android No support NoChrome Android No support NoFirefox Android Full support 4Opera Android No support NoSafari iOS Full support 6Samsung Internet Android No support No
hrefChrome No support NoEdge No support NoFirefox Full support 7IE No support NoOpera No support NoSafari Full support 10WebView 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 6WebView 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
mathcolorChrome No support NoEdge No support NoFirefox Full support 4IE No support NoOpera No support NoSafari Full support 6WebView 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

Legend

Full support  
Full support
No support  
No support