gecko-dev/layout/style/crashtests/1502893.html

30 строки
769 B
HTML

<!DOCTYPE html>
<style>
#animate_0[onrepeat=''] {}
</style>
<animate id="animate_0" />
<animate id="animate_1" />
<script>
window.CustomElement0 = class extends HTMLElement {
constructor() {
super();
this.attachShadow({
mode: 'open'
})
}
connectedCallback() {
this.shadowRoot.prepend(o2)
this.setAttribute('contenteditable', 'true')
}
}
customElements.define('custom-element-0', CustomElement0)
o1 = document.createElement('custom-element-0')
o2 = document.getElementById('animate_0')
o3 = document.getElementById('animate_1')
document.documentElement.appendChild(o1)
document.replaceChild(document.documentElement, document.documentElement)
o1.shadowRoot.prepend(o3)
o3.offsetTop;
</script>