Font Awesome CDN JS

fontawesome.js

window.FontAwesome || (window.FontAwesome = {}),
    function() {
        function a(a) {
            this.el = a;
            for (var b = a.className.replace(/^\s+|\s+$/g, "").split(/\s+/), c = 0; c < b.length; c++) d.call(this, b[c])
        }

        function b(a, b, c) {
            Object.defineProperty ? Object.defineProperty(a, b, {
                get: c
            }) : a.__defineGetter__(b, c)
        }
        if (!("undefined" == typeof window.Element || "classList" in document.documentElement)) {
            var c = Array.prototype,
                d = c.push,
                e = c.splice,
                f = c.join;
            a.prototype = {
                add: function(a) {
                    this.contains(a) || (d.call(this, a), this.el.className = this.toString())
                },
                contains: function(a) {
                    return -1 != this.el.className.indexOf(a)
                },
                item: function(a) {
                    return this[a] || null
                },
                remove: function(a) {
                    if (this.contains(a)) {
                        for (var b = 0; b < this.length && this[b] != a; b++);
                        e.call(this, b, 1), this.el.className = this.toString()
                    }
                },
                toString: function() {
                    return f.call(this, " ")
                },
                toggle: function(a) {
                    return this.contains(a) ? this.remove(a) : this.add(a), this.contains(a)
                }
            }, window.DOMTokenList = a, b(Element.prototype, "classList", function() {
                return new a(this)
            })
        }
    }(),
    function(a, b, c) {
        function d(a) {
            var c, d = [],
                e = b,
                f = e.documentElement.doScroll,
                g = "DOMContentLoaded",
                h = (f ? /^loaded|^c/ : /^loaded|^i|^c/).test(e.readyState);
            h || e.addEventListener(g, c = function() {
                for (e.removeEventListener(g, c), h = 1; c = d.shift();) c()
            }), h ? setTimeout(a, 0) : d.push(a)
        }

        function e() {
            var a, c, d, e = b.querySelectorAll(".fa");
            Array.prototype.forEach.call(e, function(e) {
                a = e.getAttribute("title"), e.setAttribute("aria-hidden", "true"), c = e.nextElementSibling ? !e.nextElementSibling.classList.contains("sr-only") : !0, a && c && (d = b.createElement("span"), d.innerHTML = a, d.classList.add("sr-only"), e.parentNode.insertBefore(d, e.nextSibling))
            })
        }

        function f(a) {
            "undefined" != typeof MutationObserver && new MutationObserver(a).observe(b, {
                childList: !0,
                subtree: !0
            })
        }

        function g() {
            var a = b.createElement("link");
            a.href = o + "//" + l + "/" + m + ".css", a.media = "all", a.rel = "stylesheet", b.getElementsByTagName("head")[0].appendChild(a)
        }

        function h() {
            var c = b.createElement("script"),
                d = {};
            s = b.scripts[0], a.WebFontConfig || (a.WebFontConfig = {}), d = a.WebFontConfig, d.custom || (d.custom = {}), d.custom.families || (d.custom.families = []), d.custom.urls || (d.custom.urls = []), d.custom.families.push("FontAwesome"), d.custom.urls.push(o + "//" + l + "/" + m + ".css"), c.src = o + "//" + l + "/webfontloader/" + n + "/webfontloader.js", s.parentNode.insertBefore(c, s)
        }

        function i() {
            return k && (d(e), f(e)), j ? h() : g()
        }
        var j = a.FontAwesomeConfig.asyncEnabled,
            k = a.FontAwesomeConfig.autoAccessibility,
            l = a.FontAwesomeConfig.useUrl,
            m = a.FontAwesomeConfig.code,
            n = a.FontAwesomeConfig.webFontLoaderVersion,
            o = b.location.protocol;
        a.FontAwesome.load = i
    }(this, document);
try {
    window.FontAwesome.load()
} catch (e) {}