Checks if the argument is an instance of Element

isElement.js

/**
 * isElement - Checks if the argument is a DOM element. from https://stackoverflow.com/a/36894871/7197027
 *
 * @param {object} element Argument to be tested
 *
 * @returns {Boolean} Result if the argument is a DOM element or not.
 */
export const isElement = element=> element instanceof Element || element instanceof HTMLDocument;