vanillajs-browser-helpers/inDOM.mjs

Collection of convenience code snippets (helpers) that aims to make it a little easier to work with vanilla JS in the browser

import getCurrentDocument from './getCurrentDocument';
/**
 * Is the given DOM node inserted into the DOM
 *
 * @param elm - The element to check
 * @return Is it a DOM node in the DOM or not
 */
export default function inDOM(elm) {
    const doc = getCurrentDocument(elm);
    return !!doc && doc !== elm && doc.contains(elm);
}