token-script.js

// Token calculating functions found inline on translate.google.com

var cM = function(a) {
            return function() {
                return a
            }
        };
var of = "=";
var dM = function(a, b) {
    for (var c = 0; c < b.length - 2; c += 3) {
        var d = b.charAt(c + 2),
            d = d >= t ? d.charCodeAt(0) - 87 : Number(d),
            d = b.charAt(c + 1) == Tb ? a >>> d : a << d;
        a = b.charAt(c) == Tb ? a + d & 4294967295 : a ^ d
    }
    return a
};

var eM = null;
var cb = 0;
var k = "";
var Vb = "+-a^+6";
var Ub = "+-3^+b+-f";
var t = "a";
var Tb = "+";
var dd = ".";

fM = function(a) {
    var b;
    if (null === eM) {
        var c = cM(String.fromCharCode(84)); // char 84 is T
        b = cM(String.fromCharCode(75)); // char 75 is K
        c = [c(), c()];
        c[1] = b();
        // So basically we're getting window.TKK
        eM = Number(window[c.join(b())]) || 0
    }
    b = eM;

    // All this does is convert turn d into the byte values of the utf-8 representation of a
    var d = cM(String.fromCharCode(116)),
        c = cM(String.fromCharCode(107)),
        d = [d(), d()];
    d[1] = c();
    for (var c = cb + d.join(k) +
            of, d = [], e = 0, f = 0; f < a.length; f++) {
        var g = a.charCodeAt(f);

        128 > g ? d[e++] = g : (2048 > g ? d[e++] = g >> 6 | 192 : (55296 == (g & 64512) && f + 1 < a.length && 56320 == (a.charCodeAt(f + 1) & 64512) ? (g = 65536 + ((g & 1023) << 10) + (a.charCodeAt(++f) & 1023), d[e++] = g >> 18 | 240, d[e++] = g >> 12 & 63 | 128) : d[e++] = g >> 12 | 224, d[e++] = g >> 6 & 63 | 128), d[e++] = g & 63 | 128)
    }
    // So now utf8(d) == a


    a = b || 0;
    for (e = 0; e < d.length; e++) a += d[e], a = dM(a, Vb);
    a = dM(a, Ub);
    0 > a && (a = (a & 2147483647) + 2147483648);
    a %= 1E6;
    return a.toString() + dd + (a ^ b)
};

console.log(fM("Hello person"));