4 @import url(hello.css);
9 var t = document.currentScript.ownerDocument.querySelector('template');
10 var proto = Object.create(HTMLElement.prototype);
11 proto.createdCallback = function() {
12 var root = this.createShadowRoot();
13 root.appendChild(document.importNode(t.content, true));
15 document.registerElement('x-test', {prototype: proto});