<menclose>

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.

The <menclose> MathML element renders its content inside an enclosing notation specified by the notation attribute.

Attributes

This element's attributes include the global MathML attributes.

notation Non-standard

A list of notations, separated by white space, to apply to the child elements. The symbols are each drawn as if the others are not present, and therefore may overlap. Possible values are:

Value	Sample Rendering	Rendering in your browser	Description
`longdiv` (default)	$Longdiv sample rendering.$	$a^{2} + b^{2}$	long division symbol
`actuarial`	$Actuarial sample rendering.$	$a^{2} + b^{2}$	actuarial symbol
`box`	$Box sample rendering.$	$a^{2} + b^{2}$	box
`roundedbox`	$Roundedbox sample rendering.$	$a^{2} + b^{2}$	rounded box
`circle`	$Circle sample rendering.$	$a^{2} + b^{2}$	circle
`left`	$Left sample rendering.$	$a^{2} + b^{2}$	line to the left of the contents
`right`	$Right sample rendering.$	$a^{2} + b^{2}$	line to the right of the contents
`top`	$Top sample rendering.$	$a^{2} + b^{2}$	line above of the contents
`bottom`	$Bottom sample rendering.$	$a^{2} + b^{2}$	line below of the contents
`updiagonalstrike`	$Updiagonalstrike sample rendering.$	$a^{2} + b^{2}$	strikeout line through contents from lower left to upper right
`downdiagonalstrike`	$Downdiagonalstrike sample rendering.$	$a^{2} + b^{2}$	strikeout line through contents from upper left to lower right
`verticalstrike`	$Verticalstrike sample rendering.$	$a^{2} + b^{2}$	vertical strikeout line through contents
`horizontalstrike`	$Horizontalstrike sample rendering.$	$a^{2} + b^{2}$	horizontal strikeout line through contents
`madruwb`	$Madruwb sample rendering.$	$a^{2} + b^{2}$	Arabic factorial symbol
`updiagonalarrow`	$Madruwb sample rendering.$	$a^{2} + b^{2}$	diagonal arrow
`phasorangle`	$Phasorangle sample rendering.$	$a^{2} + b^{2}$	phasor angle

Examples

html,
body {
  height: 100%;
}

body {
  display: grid;
  place-items: center;
  font-size: 2rem;
}

html

<math display="block">
  <menclose notation="circle box">
    <mi>x</mi>
    <mo>+</mo>
    <mi>y</mi>
  </menclose>
</math>

Sample rendering:

$Circle and box values applied at the same time.$

Rendering in your browser:

Technical summary

Implicit ARIA role	None

Specifications

The <menclose> element is not defined in any browser-oriented specification but you can find a description in MathML 4.

Browser compatibility

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This page was last modified on ⁨Jun 23, 2025⁩ by MDN contributors.

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