insert text response as fragment into element

insertTextAsFragment.js

/*!
 * insert text response as fragment into element
 * gist.github.com/englishextra/4e13afb8ce184ad28d77f6b5eed71d1f
 * @param {String} t text/response to insert
 * @param {Object} c target HTML Element
 * @param {Object} [cb] callback function
 * insertTextAsFragment(t,c,cb)
 */
var insertTextAsFragment = function (t, c, cb) {
	"use strict";
	var d = document,
	b = d.getElementsByTagName("body")[0] || "",
	cN = "cloneNode",
	aC = "appendChild",
	pN = "parentNode",
	iH = "innerHTML",
	rC = "replaceChild",
	cR = "createRange",
	cCF = "createContextualFragment",
	cDF = "createDocumentFragment",
	f = function () {
		return cb && "function" === typeof cb && cb();
	};
	try {
		var n = c[cN](!1);
		if (d[cR]) {
			var rg = d[cR]();
			rg.selectNode(b);
			var df = rg[cCF](t);
			n[aC](df);
			return c[pN] ? c[pN][rC](n, c) : c[iH] = t,
			f();
		} else {
			n[iH] = t;
			return c[pN] ? c[pN][rC](d[cDF][aC](n), c) : c[iH] = t,
			f();
		}
	} catch (e) {
		console.log(e);
	};
	return !1;
};