<feFuncR>
        
        
          
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      This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The <feFuncR> SVG filter primitive defines the transfer function for the red component of the input graphic of its parent <feComponentTransfer> element.
Usage context
DOM Interface
This element implements the SVGFEFuncRElement interface.
Specifications
| Specification | 
|---|
| Filter Effects Module Level 1> # feFuncRElement> | 
Browser compatibility
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