<!DOCTYPE html> <html> <head> <title>Custom Elements: CEReactions on ParentNode interface</title> <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> <meta name="assert" content="prepend and append of ParentNode interface must have CEReactions"> <meta name="help" content="https://dom.spec.whatwg.org/#parentnode"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="../resources/custom-elements-helpers.js"></script> <script src="./resources/reactions.js"></script> </head> <body> <div id="log"></div> <script> testNodeConnector(function (newContainer, customElement) { newContainer.prepend(customElement); }, 'prepend on ParentNode'); testNodeConnector(function (newContainer, customElement) { newContainer.append(customElement); }, 'append on ParentNode'); </script> </body> </html>