polyfill-service/polyfills/_mutation/polyfill.js

A polyfill combinator

// http://dom.spec.whatwg.org/#mutation-method-macro
function _mutation(nodes) {
	if (!nodes.length) {
		throw new Error('DOM Exception 8');
	} else if (nodes.length === 1) {
		return typeof nodes[0] === 'string' ? document.createTextNode(nodes[0]) : nodes[0];
	} else {
		var
		fragment = document.createDocumentFragment(),
		length = nodes.length,
		index = -1,
		node;

		while (++index < length) {
			node = nodes[index];

			fragment.appendChild(typeof node === 'string' ? document.createTextNode(node) : node);
		}

		return fragment;
	}
}