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<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Highlight API Test: </title>
<link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/">
<link rel="match" href="custom-highlight-painting-iframe-001-ref.html">
<meta name="assert" value="Creating a Highlight in the root Document and registering it in an iframe's CSS.highlights is painted correctly.">
<body>
<iframe
id="iframe"
srcdoc="
<style>
::highlight(foo) {
color: blue;
background-color: cyan;
}
</style>
<span id='span-iframe'>abc</span>
"
>
</iframe>
<script>
let iframe = document.querySelector("#iframe");
iframe.onload = () => {
let spanIframe = iframe.contentDocument.querySelector("#span-iframe");
let rangeIframe = new Range();
rangeIframe.setStart(spanIframe, 0);
rangeIframe.setEnd(spanIframe, 1);
let h = new Highlight();
h.add(rangeIframe);
iframe.contentWindow.CSS.highlights.set("foo", h);
}
</script>
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