index.md

---

title: <altGlyphDef>
slug: Web/SVG/Element/altGlyphDef
page-type: svg-element
tags:
  - Deprecated
  - Element
  - NeedsExample
  - Reference
  - SVG
  - SVG Text Content
browser-compat: svg.elements.altGlyphDef

---

{{SVGRef}}{{deprecated_header}}

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

Usage context

{{svginfo}}

Attributes

Global attributes

• Core attributes

Specific attributes

None.

DOM Interface

This element implements the {{domxref("SVGAltGlyphDefElement")}} interface.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• {{SVGElement("glyph")}}

• {{SVGElement("glyphRef")}}

• {{SVGElement("altGlyphDef")}}