The <feMerge> SVG element allows filter effects to be applied concurrently instead of sequentially. This is achieved by other filters storing their output via the result attribute and then accessing it in a <feMergeNode> child.
Usage context
| Categories | Filter primitive element | 
|---|---|
| Permitted content | Any number of the following elements, in any order: <feMergeNode> | 
Example
SVG
<svg width="200" height="200"
  xmlns="http://www.w3.org/2000/svg">
  <filter id="feOffset" x="-40" y="-20" width="100" height="200">
    <feOffset in="SourceGraphic" dx="60" dy="60" />
    <feGaussianBlur in="SourceGraphic" stdDeviation="5" />
    <feMerge>
      <feMergeNode in="blur2" />
      <feMergeNode in="SourceGraphic" />
    </feMerge>
  </filter>
  <rect x="40" y="40" width="100" height="100"
    style="stroke: #000000; fill: green; filter: url(#feOffset);" />
  <rect x="40" y="40" width="100" height="100"
    style="stroke : #000000; fill: green;" />
</svg> 
Result
Attributes
Global attributes
Specific attributes
None
DOM Interface
This element implements the SVGFEMergeElement interface.
Specifications
| Specification | Status | Comment | 
|---|---|---|
| Filter Effects Module Level 1 The definition of '<feMerge>' in that specification. | Working Draft | No change | 
| Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of '<feMerge>' in that specification. | Recommendation | Initial definition | 
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari | 
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | 4.0 (2.0) | (Yes) | 9.0 | ? | 
| Feature | Android | Edge | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile | 
|---|---|---|---|---|---|---|
| Basic support | ? | (Yes) | ? | ? | ? | ? | 
The chart is based on these sources.