API Catalog

Visualize and analyze the API overlap between standards specifications and type systems within browsers.

Browser information was gathered by traversing the type system within the latest available version of the top browsers. Specification data was gathered by extracting Web IDL definitions from notable web specifications. Note that an API that is shown as detected does not necessarily mean it functions per specification; where the absence of an API under an interface could be due to the browser supporting an API in a different part of the prototype chain. This data is made publicly available to help each browser vendor work toward the goal of a more interoperable web platform. For more information, visit our FAQ page.

APIs by interface

API NameSpecificationsMicrosoft EdgeGoogle ChromeMozilla FirefoxApple Safari
SVGFEMorphologyElement
constructor
height
in1
length 
name
operator
prototype
radiusX
radiusY
result
SVG_MORPHOLOGY_OPERATOR_DILATE
SVG_MORPHOLOGY_OPERATOR_ERODE
SVG_MORPHOLOGY_OPERATOR_UNKNOWN
width
x
y
SVGFEOffsetElement
constructor
dx
dy
height
in1
length 
name
prototype
result
width
x
y
SVGFEPointLightElement
constructor
length 
name
prototype
x
y
z
SVGFESpecularLightingElement
constructor
height
in1
kernelUnitLengthX 
kernelUnitLengthY 
length 
name
prototype
result
specularConstant
specularExponent
surfaceScale
width
x
y
SVGFESpotLightElement
constructor
length 
limitingConeAngle
name
pointsAtX
pointsAtY
pointsAtZ
prototype
specularExponent
x
y
z
SVGFETileElement
constructor
height
in1
length 
name
prototype
result
width
x
y
SVGFETurbulenceElement
baseFrequencyX
baseFrequencyY
constructor
height
length 
name
numOctaves
prototype
result
seed
stitchTiles
SVG_STITCHTYPE_NOSTITCH
SVG_STITCHTYPE_STITCH
SVG_STITCHTYPE_UNKNOWN
SVG_TURBULENCE_TYPE_FRACTALNOISE
SVG_TURBULENCE_TYPE_TURBULENCE
SVG_TURBULENCE_TYPE_UNKNOWN
type
width
x
y
SVGFilterElement
constructor
filterUnits
height
length 
name
primitiveUnits
prototype
width
x
y