polyfill-service/polyfills/Element/prototype/matches/polyfill.js

A polyfill combinator

Element.prototype.matches = Element.prototype.webkitMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.mozMatchesSelector || function matches(selector) {

	var element = this;
	var elements = (element.document || element.ownerDocument).querySelectorAll(selector);
	var index = 0;

	while (elements[index] && elements[index] !== element) {
		++index;
	}

	return !!elements[index];
};