src/third_party/WebKit/LayoutTests/imported/web-platform-tests/custom-elements/resources/register-and-create-custom-element.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4     <title>Register and create custom element</title>
   5     <link rel="author" title="Aleksei Yu. Semenov" href="mailto:a.semenov@unipro.ru">
   6     <link rel="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
   7 </head>
   8 <body>
   9     <div id="log"></div>
  10     <script>
  11         var proto = Object.create(HTMLElement.prototype);
  12         proto.createdCallback = function() {
  13             document.querySelector('#log').innerText = 'Created callback was called';
  14         };
  15         document.registerElement('x-element', {prototype: proto});
  16     </script>
  17     <x-element id="x-element"></x-element>
  18 </body>
  19 </html>