---
title: <feFuncB>
slug: Web/SVG/Element/feFuncB
tags:
  - Element
  - NeedsExample
  - Reference
  - SVG
  - SVG Filter
browser-compat: svg.elements.feFuncB
---
{{SVGRef}}

The **`<feFuncB>`** [SVG](/en-US/docs/Web/SVG) filter primitive defines the transfer function for the blue component of the input graphic of its parent {{SVGElement("feComponentTransfer")}} element.

## Usage context

{{svginfo}}

## Attributes

### Global attributes

*   [Core attributes](/en-US/docs/Web/SVG/Attribute#core_attributes)
*   [Transfer function attributes](/en-US/docs/Web/SVG/Attribute#transfer_function_attributes)

### Specific attributes

*None*

## DOM Interface

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

## Specifications

{{Specifications}}

## Browser compatibility

{{Compat}}

## See also

*   {{SVGElement("filter")}}
*   {{SVGElement("animate")}}
*   {{SVGElement("set")}}
*   {{SVGElement("feComponentTransfer")}}
*   {{SVGElement("feFuncA")}}
*   {{SVGElement("feFuncR")}}
*   {{SVGElement("feFuncG")}}
*   [SVG tutorial: Filter effects](/en-US/docs/Web/SVG/Tutorial/Filter_effects)
