css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-4.html

<!doctype html>
<meta charset="utf-8">
<title>stretching works for replaced items with no aspect ratio</title>
<link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.com">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://drafts.csswg.org/css-grid">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1656281">
<link rel="match" href="grid-item-no-aspect-ratio-stretch-4-ref.html">
<style>
  body {
    line-height: 0;
  }

  div {
    display: inline-grid;
    grid-template: 100% / 100%;
    height: 250px;
    width: 350px;
    background: grey;
    margin: 10px;
    vertical-align: top;
  }

  .justify {
    justify-self: stretch;
  }
  .align {
    align-self: stretch;
  }
</style>
<div>
  <img class="align justify">
</div>
<div>
  <img class="align">
</div>
<div>
  <img class="justify">
</div>
<div>
  <img>
</div>

<script>
var url = 'data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="0px" height="20px"><circle cx="50%" cy="50%" r="50%" fill="blue"/></svg>'
var imgs = document.querySelectorAll('img');
for (var i = 0; i < imgs.length; ++i) {
  var img = imgs[i];
  img.src = url;
}
</script>