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    height

    « SVG Attribute reference home

    This attribute indicates a vertical length in the user coordinate system. The exact effect of this coordinate depends on each element. Most of the time, it represents the height of the rectangular region of the reference element (see each individual element's documentation for exceptions).

    This attribute must be specified except for the <svg> element where the default value is 100% and the <filter> and <mask> elements where the default value is 120%.

    Usage context

    Categories None
    Value <length>
    Animatable Yes
    Normative document SVG 1.1 (2nd Edition): foreignObject element
    SVG 1.1 (2nd Edition): image element
    SVG 1.1 (2nd Edition): pattern element
    SVG 1.1 (2nd Edition): rect element
    SVG 1.1 (2nd Edition): svg element
    SVG 1.1 (2nd Edition): use element
    SVG 1.1 (2nd Edition): Filter primitive
    SVG 1.1 (2nd Edition): mask element

    <length>

    A length is a distance measurement, given as a number along with a unit. Lengths are specified in one of two ways. When used in a stylesheet, a <length> is defined as follows:

    length ::= number (~"em" | ~"ex" | ~"px" | ~"in" | ~"cm" | ~"mm" | ~"pt" | ~"pc")?

    See the CSS2 specification for the meanings of the unit identifiers.

    For properties defined in CSS2, a length unit identifier must be provided. For length values in SVG-specific properties and their corresponding presentation attributes, the length unit identifier is optional. If not provided, the length value represents a distance in the current user coordinate system. In presentation attributes for all properties, whether defined in SVG1.1 or in CSS2, the length identifier, if specified, must be in lower case.

    When lengths are used in an SVG attribute, a <length> is instead defined as follows:

    length ::= number ("em" | "ex" | "px" | "in" | "cm" | "mm" | "pt" | "pc" | "%")?

    The unit identifiers in such <length> values must be in lower case.

    Note that the non-property <length> definition also allows a percentage unit identifier. The meaning of a percentage length value depends on the attribute for which the percentage length value has been specified. Two common cases are:

    • when a percentage length value represents a percentage of the viewport width or height
    • when a percentage length value represents a percentage of the bounding box width or height on a given object.

    In the SVG DOM, <length> values are represented using SVGLength or SVGAnimatedLength objects.

    Elements

    The following elements can use the height attribute

    Document Tags and Contributors

    Contributors to this page: Jeremie, Delapouite
    Last updated by: Delapouite,