<mmultiscripts>
The <mmultiscripts>
MathML element is used to attach an arbitrary number of subscripts and superscripts to an expression at once, generalizing the <msubsup>
element. Scripts can be either prescripts (placed before the expression) or postscripts (placed after it).
MathML uses the syntax below, that is a base expression, followed by an arbitrary number of postsubscript-postsuperscript pairs (attached in the given order) optionally followed by an <mprescripts>
and an arbitrary number of presubscript-presuperscript pairs (attached in the given order). In addition, empty <mrow>
elements can be used to represent absent scripts.
html
<mmultiscripts>
base
postsubscript1 postsuperscript1
postsubscript2 postsuperscript2
postsubscript3 postsuperscript3
...
postsubscriptN postsuperscriptN
<mprescripts/> ⎫
presubscript1 presuperscript1 ⎪
presubscript2 presuperscript2 ⎬ Optional
presubscript3 presuperscript3 ⎪
... ⎪
presubscriptM presuperscriptM ⎭
</mmultiscripts>
Attributes
This element's attributes include the global MathML attributes as well as the following deprecated attributes:
subscriptshift
Deprecated Non-standard-
A
<length-percentage>
indicating the minimum amount to shift the baseline of the subscript down. superscriptshift
Deprecated Non-standard-
A
<length-percentage>
indicating the minimum amount to shift the baseline of the superscript up.
Note: For the subscriptshift
and superscriptshift
attributes, some browsers may also accept legacy MathML lengths.
Examples
Using <mprescripts/>
Children after the <mprescripts/>
element are placed as pre-scripts (before the base expression):
html
<math display="block">
<mmultiscripts>
<mi>X</mi> <!-- base expression -->
<mi>d</mi> <!-- postsubscript -->
<mi>c</mi> <!-- postsuperscript -->
<mprescripts />
<mi>b</mi> <!-- presubscript -->
<mi>a</mi> <!-- presuperscript -->
</mmultiscripts>
</math>
Empty scripts
Empty <mrow>
elements can be used to represent absent scripts:
html
<math display="block">
<mmultiscripts>
<mi>X</mi> <!-- base expression -->
<mrow></mrow> <!-- postsubscript -->
<mi>c</mi> <!-- postsuperscript -->
<mprescripts />
<mi>b</mi> <!-- presubscript -->
<mrow></mrow> <!-- presuperscript -->
</mmultiscripts>
</math>
Order of scripts
Here is a more complex example with many scripts, so you can see in which order they are attached to the base:
html
<math display="block">
<mmultiscripts>
<mtext>base</mtext>
<mtext>postsubscript1</mtext>
<mtext>postsupscript1</mtext>
<mtext>postsubscript2</mtext>
<mtext>postsupscript2</mtext>
<mtext>postsubscript3</mtext>
<mtext>postsupscript3</mtext>
<mtext>postsubscript4</mtext>
<mtext>postsupscript4</mtext>
<mprescripts />
<mtext>presubscript1</mtext>
<mtext>presupscript1</mtext>
<mtext>presubscript2</mtext>
<mtext>presupscript2</mtext>
<mtext>presubscript3</mtext>
<mtext>presupscript3</mtext>
</mmultiscripts>
</math>
Specifications
Specification |
---|
MathML Core # prescripts-and-tensor-indices-mmultiscripts |
Browser compatibility
BCD tables only load in the browser