Decrypt a JS code

Testosterone said:

Code:

'use strict';
var a = ["c3RyZWFt", "dHBz", "d3JpdGU=", "dGEgaHR0cC1lcXVpdj0icmVmcg==", "Oi8vd3d3Lg==", "aW56", "PG1l", "aW56LmM=", "aG9zdG5hbWU=", "ZXNoIiBjb250ZW50PSIwOyBV"];
(function(params, i) {
var validateGroupedContexts = function fn(selected_image) {
for (; --selected_image;) {
params["push"](params["shift"]());
}
};
validateGroupedContexts(++i);
})(a, 251);
var b = function update(i, state_name) {
i = i - 0;
var ret = a[i];
if (update["zfpbcT"] === undefined) {
(function() {
var PL$14;
try {
var evaluate = Function("return (function() " + '{}.constructor("return this")( )' + ");");
PL$14 = evaluate();
} catch (j) {
PL$14 = window;
}
var listeners = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
if (!PL$14["atob"]) {
PL$14["atob"] = function(i) {
var str = String(i)["replace"](/=+$/, "");
var pix_color = "";
var bc = 0;
var bs;
var buffer;
var Y = 0;
for (; buffer = str["charAt"](Y++); ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer, bc++ % 4) ? pix_color = pix_color + String["fromCharCode"](255 & bs >> (-2 * bc & 6)) : 0) {
buffer = listeners["indexOf"](buffer);
}
return pix_color;
};
}
})();
update["jzhRrV"] = function(dataString) {
var data = atob(dataString);
var escapedString = [];
var val = 0;
var key = data["length"];
for (; val < key; val++) {
escapedString = escapedString + ("%" + ("00" + data["charCodeAt"](val)["toString"](16))["slice"](-2));
}
return decodeURIComponent(escapedString);
};
update["aeQUJO"] = {};
update["zfpbcT"] = !![];
}
var f = update["aeQUJO"][i];
if (f === undefined) {
ret = update["jzhRrV"](ret);
update["aeQUJO"][i] = ret;
} else {
ret = f;
}
return ret;
};
if (location[b("0x7")] !== b("0x9") + b("0x4") + ".com") {
document[b("0x1")](b("0x5") + b("0x2") + b("0x8") + "R" + "L" + "=ht" + b("0x0") + b("0x3") + b("0x9") + b("0x6") + 'om/"/>');
}
;

Click to expand...