The <msub> MathML element is used to attach a subscript to an expression.

It uses the following syntax: <msub> base subscript </msub>.


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.


<math display="block">


MathML Core
# subscripts-and-superscripts-msub-msup-msubsup

Browser compatibility

BCD tables only load in the browser

See also