<munder>
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2023.
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>⏟<!--BOTTOM CURLY BRACKET--></mo> </munder> </math> Technical summary
| Implicit ARIA role | None |
|---|
Specifications
| Specification |
|---|
| MathML Core # underscripts-and-overscripts-munder-mover-munderover |
Browser compatibility
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See also
<mover>(Overscript)<munderover>(Underscript-overscript pair)