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/SVG

markerUnits

The markerUnits attribute defines the coordinate system for the markerWidth and markerHeight attributes and the contents of the <marker>.

You can use this attribute with the following SVG elements:

Usage notes

Value userSpaceOnUse | strokeWidth
Default value strokeWidth
Animatable Yes
userSpaceOnUse

This value specifies that the markerWidth and markerHeight attributes and the contents of the <marker> element represent values in the current user coordinate system in place for the graphic object referencing the marker (i.e., the user coordinate system for the element referencing the <marker> element via a marker, marker-start, marker-mid, or marker-end property).

strokeWidth

This value specifies that the markerWidth and markerHeight attributes and the contents of the <marker> element represent values in a coordinate system which has a single unit equal the size in user units of the current stroke width (see the stroke-width attribute) in place for the graphic object referencing the marker.

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
markerUnits Yes 12 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

See also

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https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/markerUnits