Fieldset and ShadowRoot

crbug.com/512941

by int32_t

HTML

<div>Case 1:</div>
<div id=host1></div>

<div>Case 2:</div>
<fieldset disabled>
    <div id=host2></div>
</fieldset>

JavaScript

var host = document.querySelector('#host1');
var root = host.createShadowRoot();
root.innerHTML = '<fieldset disabled><input type=checkbox></fieldset>';

var host = document.querySelector('#host2');
root = host.createShadowRoot();
root.innerHTML = '<input type=checkbox>';