grid-lanes-pack-dynamic-change.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-grid/grid-lanes/invalidation/grid-lanes-pack-dynamic-change.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<html>

<head>

  <meta charset="utf-8">

  <title>CSS Grid Lanes Test: grid-lanes-pack dynamic change triggers relayout</title>

  <link rel="author" title="Yanling Wang" href="mailto:yanlingwang@microsoft.com">

  <link rel="help" href="https://drafts.csswg.org/css-grid-3">

  <link rel="match" href="../../../reference/ref-filled-green-100px-square-only.html">

  <style>

    .grid-lanes {

      display: grid-lanes;

      grid-template-columns: repeat(2, 50px);

    .item {

      height: 50px;

      background: green;

    .span2 {

      grid-column: span 2;

  </style>

</head>

<body>

<p>Test passes if there is a filled green square.</p>

<div class="grid-lanes" id="gridLanes">

  <div class="item"></div>

  <div class="item span2"></div>

  <div class="item"></div>

</div>

<script>

  document.body.offsetTop;

  document.getElementById("gridLanes").style.gridLanesPack = "dense";

</script>

</body>

</html>