svg-sourcegraphic-currentcolor-dynamic-001.html

<!DOCTYPE html>
<html class="reftest-wait">
<title>Filter Effects: Dynamic 'currentcolor' in SourceGraphic</title>
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#attr-valuedef-in-sourcegraphic">
<link rel="match" href="reference/green-100x100.html">
<style>
rect {
  fill: currentColor;
}

.filtered {
  filter: url(#filter);
}

.green {
  color: green;
}
</style>
<svg style="color: red">
  <defs>
    <filter id="filter" color-interpolation-filters="sRGB">
      <feMerge>
        <feMergeNode/>
      </feMerge>
    </filter>
  </defs>

  <g class="target filtered">
    <rect width="50" height="100"/>
  </g>

  <g class="target">
    <g class="filtered">
      <rect x="50" width="50" height="100"/>
    </g>
  </g>
</svg>
<script>
document.body.offsetTop;
requestAnimationFrame(function() {
  requestAnimationFrame(function() {
    let targets = document.querySelectorAll('.target');
    for (let i = 0; i < targets.length; ++i)
      targets[i].classList.toggle('green');
    document.documentElement.classList.remove('reftest-wait');
  });
});
</script>

chromium/third_party/blink/web_tests/external/wpt/css/filter-effects/svg-sourcegraphic-currentcolor-dynamic-001.html