popover-appearance.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/popovers/popover-appearance.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8" />

<title>Popover element appearance</title>

<link rel="author" href="mailto:masonf@chromium.org">

<link rel=help href="https://open-ui.org/components/popover.research.explainer">

<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">

<link rel="match" href="popover-appearance-ref.html">

<style>

[popover] {top: 100px; bottom: auto;}

[popover=""] {left: -300px}

[popover=auto] {left: -100px; }

[popover=manual] {left: 100px; }

[popover=invalid] {left: 300px; }

</style>

<p>There should be four popovers with similar appearance.</p>

<div popover>Blank

  <div popover=auto>Auto</div>

</div>

<div popover=manual>Manual</div>

<!-- This ensures unsupported popover values are treated as popover=manual -->

<div popover=invalid>Invalid</div>

<script>

  document.querySelectorAll('[popover]').forEach(p => p.showPopover());

</script>