firefox-main/testing/web-platform/tests/selection/selection-range-painting-after-splitText.html

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Test Info:

<!doctype html>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<meta name="variant" content="?splitAt=1"><!-- A | B[CDEFG]HI -->
<meta name="variant" content="?splitAt=2"><!-- AB[ | CDEFG]HI -->
<meta name="variant" content="?splitAt=3"><!-- AB[C | DEFG]HI -->
<meta name="variant" content="?splitAt=6"><!-- AB[CDEF | G]HI -->
<meta name="variant" content="?splitAt=7"><!-- AB[CDEFG] | HI -->
<meta name="variant" content="?splitAt=8"><!-- AB[CDEFG]H | I -->
<link rel="match" href="selection-range-painting-after-splitText-ref.html">
<title>Selection painting after Text.splitText() call</title>
<script>
"use strict";
addEventListener("DOMContentLoaded", async () => {
const link = document.querySelector("link[rel=match]");
link.href += location.search;
const text = document.querySelector("p").firstChild;
getSelection().setBaseAndExtent(text, "AB".length, text, "ABCDEFG".length);
await new Promise(resolve => {
requestAnimationFrame(() => requestAnimationFrame(resolve))
});
const splitAt = parseInt((new URLSearchParams(location.search)).get("splitAt"));
text.splitText(splitAt);
document.documentElement.removeAttribute("class");
}, {once: true});
</script>
</head>
<body>
<p>ABCDEFGHI</p>
</body>
</html>