Content - 0a4d232dcb1c4ef2e29407fe4b2111962f7d5017 - b8d3541/apng/supported-in-source-type.html

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Tip revision: 4c48a3d9b20a424888005867e9cc4119de8cfa14 authored by Anne van Kesteren on 11 April 2018, 12:38:33 UTC
don't use about:blank as that errors as well

Tip revision: 4c48a3d

supported-in-source-type.html

<!DOCTYPE html>
<title>Animated PNG MIME type (image/apng) is recognized by &lt;source type></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
function resolveUrl(relativeUrl) {
  var a = document.createElement('a');
  a.href = relativeUrl;
  return a.href;
}

async_test(t => {
  window.onload = t.step_func_done(() => {
    let image = document.querySelector('img');
    let apngSrc = document.querySelector('source');
    assert_equals(image.currentSrc, resolveUrl(apngSrc.srcset));
  });
});
</script>
<picture>
  <source srcset="/images/anim-gr.png" type="image/apng">
  <img src="/images/anim-gr.gif" style="visibility: hidden">
</picture>

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