SVGFEDiffuseLightingElement: in1 property
        
        
          
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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 in1 read-only property of the SVGFEDiffuseLightingElement interface reflects the in attribute of the given <feDiffuseLighting> element.
Value
An SVGAnimatedString object.
Examples
>Accessing the in Property of feDiffuseLighting Element
    html
<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <filter id="diffuseLightingFilter">
      <feDiffuseLighting
        in="SourceGraphic"
        result="diffuseLightingResult"
        lighting-color="white"
        surfaceScale="1">
        <feDistantLight azimuth="45" elevation="55" />
      </feDiffuseLighting>
    </filter>
  </defs>
  <rect
    x="20"
    y="20"
    width="100"
    height="100"
    fill="lightblue"
    filter="url(#diffuseLightingFilter)" />
</svg>
We can access the in attribute of the feDiffuseLighting element.
js
const diffuseLighting = document.querySelector("feDiffuseLighting");
console.log(diffuseLighting.in1.baseVal); // Output: "SourceGraphic"
Specifications
| Specification | 
|---|
| Filter Effects Module Level 1> # dom-svgfediffuselightingelement-in1>  | 
            
Browser compatibility
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