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/SVG

<altGlyphDef>

Deprecated
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The <altGlyphDef> SVG element defines a substitution representation for glyphs.

Usage context

Categories	Text content element
Permitted content	Either: one or more `<glyphRef>` elements, or one or more `<altGlyphItem>` elements

Attributes

Global attributes

Core attributes

Specific attributes

None

DOM Interface

This element implements the SVGAltGlyphDefElement interface.

Specifications

Specification	Status	Comment
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of '<altGlyphDef>' in that specification.	Recommendation	Initial definition

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
`altGlyphDef`	?	?	?	?	?	?

	Mobile
	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`altGlyphDef`	?	?	?	?	?	?