<!DOCTYPE html>
<script>
class XDiv extends HTMLDivElement {
static get observedAttributes() {
return ['x'];
}
attributeChangedCallback() {
if (window.alreadyMovedBody) {
return;
}
window.alreadyMovedBody = true;
this.appendChild(document.body);
}
}
customElements.define('x-div', XDiv, { extends: 'div' });
</script>
<body>
<div is="x-div" x="t"></div>
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-11-04)
¤
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