popover-alignment-001.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/popovers/popover-alignment-001.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html class=reftest-wait>

<title>Tests that popover alignment responds to anchor positioning</title>

<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#conditional-centering">

<link rel="match" href="popover-alignment-001-ref.html">

<link rel="author" href="mailto:tabatkins@google.com">

<link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">

<style>

button {

  border: solid blue 15px;

  margin: 25px;

[popover] {

  border: solid orange 10px;

</style>

Orange box should be centered on the screen.

<button popovertarget=p1></button>

<div id="p1" popover></div>

<script>

document.querySelector("[popover]").showPopover({ source: document.querySelector("button") });

document.documentElement.removeAttribute("class");

</script>