<munder>

Baseline 2023
Newly available

Since January 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

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

Attributes

This element's attributes include the global MathML attributes as well as the following attribute:

accentunder

A <boolean> indicating whether the under script should be treated as an accent (i.e., drawn bigger and closer to the base expression).

Examples

html
<math display="block">
  <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>

Technical summary

Implicit ARIA role None

Specifications

Specification
MathML Core
# underscripts-and-overscripts-munder-mover-munderover

Browser compatibility

See also