InDesign2026
API 21.5.1.73
Object

MathObject

A math object.

Hierarchy

Rectangle

MathObject

Properties

NameType AccessDescription
Number read/write The font size (in points) for Math objects
Number[] read/write RGB Color applied on the math object specified in 0-255 range.
String | Swatch | NothingEnum
read/write The swatch used for math object color. Also accepts swatch name.(RGB, CMYK, LAB and HSB swatches supported.). Can return: Swatch or NothingEnum enumerator. Can also accept: String.
EventListeners<EventListener> readonly A collection of event listeners.
Events<Event> readonly A collection of events.
Number readonly The unique ID of the MathObject.
Number readonly The index of the MathObject within its containing object.
Boolean readonly Is the SVG Object a MathML object.
Boolean readonly Returns true if the object specifier resolves to valid objects.
String read/write A property that can be set to any string.
String read/write MathML Description of the SVG Object. Returns empty string if not a MathML Object.
String read/write The name of the MathObject; this is an alias to the MathObject's label property.
Rectangle readonly The parent of the MathObject (a Rectangle).
Object read/write A property that allows setting of several properties at the same time.
Number 0–100 read/write The percent of the base color. (Range: 0 to 100)

Events

NameDescription
Dispatched after a MathObject is placed. This event bubbles. This event is not cancelable.
Dispatched before a MathObject is placed. This event bubbles. This event is cancelable.

Methods

EventListener

Adds an event listener.

eventType String The event type.
handler File | JavaScriptFunction The event handler. Can accept: File or JavaScript Function.
captures? Boolean This parameter is obsolete.
String

Gets the label value associated with the specified key.

key String The key.
MathObject[]

Resolves the object specifier, creating an array of object references.

void

Sets the label to the value associated with the specified key.

key String The key.
value String The value.
Boolean

Removes the event listener.

eventType String The registered event type.
handler File | JavaScriptFunction The registered event handler. Can accept: File or JavaScript Function.
captures? Boolean This parameter is obsolete.
String

Generates a string which, if executed, will return the MathObject.

String

Retrieves the object specifier.

Object of 3

Properties elsewhere that hold a MathObject.

Parameter of 3

Method parameters that accept a MathObject.

Return 14

Methods that return a MathObject.