<
html>
<
head>
<
script>
function start() {
window.CustomElement0 = class extends HTMLElement {
constructor() {
super()
}
connectedCallback() {
this.before(
'', custom)
this.outerHTML =
'<input pattern=""value=ð>'
}
}
customElements.define(
'custom-element-0', CustomElement0)
custom = document.createElementNS(
'http://www.w3.org/1999/xhtml',
'custom-element-0')
document.documentElement.appendChild(custom)
}
document.addEventListener(
'DOMContentLoaded', start)
</
script>
</
head>
</
html>
