standalone-optgroup-no-shadow-tree-ref.html

Enable keyboard shortcuts

<!DOCTYPE html>

<link rel=help href="https://html.spec.whatwg.org/multipage/form-elements.html#the-optgroup-element">

<div id="ref">child text</div>

<optgroup id="src"></optgroup>

<script>

// Copy the font-weight from an optgroup onto the div so the ref matches

// regardless of what default styling each engine applies to optgroup.

const src = document.querySelector("#src");

const ref = document.querySelector("#ref");

ref.style.fontWeight = getComputedStyle(src).fontWeight;

src.remove();

</script>