Corresponds to the preserveAspectRatio attribute, which is available for some of SVG's elements.

MDN Reference

Properties

align: number
meetOrSlice: number
SVG_MEETORSLICE_MEET
SVG_MEETORSLICE_SLICE
SVG_MEETORSLICE_UNKNOWN
SVG_PRESERVEASPECTRATIO_NONE
SVG_PRESERVEASPECTRATIO_UNKNOWN
SVG_PRESERVEASPECTRATIO_XMAXYMAX
SVG_PRESERVEASPECTRATIO_XMAXYMID
SVG_PRESERVEASPECTRATIO_XMAXYMIN
SVG_PRESERVEASPECTRATIO_XMIDYMAX
SVG_PRESERVEASPECTRATIO_XMIDYMID
SVG_PRESERVEASPECTRATIO_XMIDYMIN
SVG_PRESERVEASPECTRATIO_XMINYMAX
SVG_PRESERVEASPECTRATIO_XMINYMID
SVG_PRESERVEASPECTRATIO_XMINYMIN