<msub>
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.
The <msub>
MathML element is used to attach a subscript to an expression.
It uses the following syntax: <msub> base subscript </msub>
.
Attributes
This element's attributes include the global MathML attributes as well as the following deprecated attribute:
subscriptshift
Deprecated Non-standard-
A
<length-percentage>
indicating the minimum amount to shift the baseline of the subscript down.
Note:
For the subscriptshift
attribute, some browsers may also accept legacy MathML lengths.
Examples
html
<math display="block">
<msub>
<mi>X</mi>
<mn>1</mn>
</msub>
</math>
Technical summary
Implicit ARIA role | None |
---|
Specifications
Specification |
---|
MathML Core # subscripts-and-superscripts-msub-msup-msubsup |
Browser compatibility
BCD tables only load in the browser
See also
<msup>
(Superscript)<msubsup>
(Subscript-superscript pair)<mmultiscripts>
(Prescripts and tensor indices)