Function getParentOrHost

src/utils.js:40–44

(el)

}

function getParentOrHost(el) {
	return (el.host && el !== document && el.host.nodeType && el.host !== el)
		? el.host
		: el.parentNode;
}

function closest(/**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
	if (el) {