DocumentFragment: firstElementChild property
The DocumentFragment.firstElementChild read-only property
returns the document fragment's first child Element, or null if there
are no child elements.
Value
An Element that is the first child Element of the object, or null if there are none.
Examples
js
let fragment = new DocumentFragment();
fragment.firstElementChild; // null
let paragraph = document.createElement("p");
fragment.appendChild(paragraph);
fragment.firstElementChild; // <p>