1502893.html (769B)
1 <!DOCTYPE html> 2 <style> 3 #animate_0[onrepeat=''] {} 4 </style> 5 <animate id="animate_0" /> 6 <animate id="animate_1" /> 7 <script> 8 window.CustomElement0 = class extends HTMLElement { 9 constructor() { 10 super(); 11 this.attachShadow({ 12 mode: 'open' 13 }) 14 } 15 connectedCallback() { 16 this.shadowRoot.prepend(o2) 17 this.setAttribute('contenteditable', 'true') 18 } 19 } 20 21 customElements.define('custom-element-0', CustomElement0) 22 o1 = document.createElement('custom-element-0') 23 o2 = document.getElementById('animate_0') 24 o3 = document.getElementById('animate_1') 25 document.documentElement.appendChild(o1) 26 document.replaceChild(document.documentElement, document.documentElement) 27 o1.shadowRoot.prepend(o3) 28 o3.offsetTop; 29 </script>