elementFromPoint-002.html

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This WPT test may be referenced by the following Test IDs:
- /css/cssom-view/elementFromPoint-002.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>Checking whether dynamic changes to visibility interact correctly with

  table anonymous boxes</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<style>

#overlay {

  display: table;

  position: absolute;

  top: 0;

  left: 0;

  width: 100%;

  height: 100%;

  background: white;

  z-index: 999

#wrapper { position: relative; }

</style>

<div id=log></div>

<div id="wrapper">

  <div id="overlay"><div></div></div>

  <div id="target">Some text</div>

</div>

<script>

  test(function() {

    var t = document.querySelector("#target");

    var rect = t.getBoundingClientRect();

    var hit = document.elementFromPoint(rect.x + rect.width/2,

                                        rect.y + rect.height/2);

    assert_equals(hit, t.previousElementSibling,

                  "Should hit the overlay first.");

    t.previousElementSibling.style.visibility = "hidden";

    hit = document.elementFromPoint(rect.x + rect.width/2,

                                    rect.y + rect.height/2);

    assert_equals(hit, t,

                  "Should hit our target now that the overlay is hidden.");

});

</script>