让JavaScript
更安全！

(function (){
    var domain = "jsjiami.online";
    var from_year = parseInt(2000) + 17;
    var copyright = function(){
        return "(c)" + from_year + "-" + (new Date).getFullYear() + "," + domain;
    };
    var console_log = console.log;
    console_log(copyright());
})();

(function () {
  var _0xaa = "1|2|3|4|0"['\x73\x70\x6c\x69\x74']('\u007c'),
      _0x77g9b = eval(String.fromCharCode(57, 55, 55, 49, 54, 53, 32, 94, 32, 57, 55, 55, 49, 54, 53));
  while (!![]) {
    switch (+_0xaa[eval(String.fromCharCode(95, 48, 120, 55, 55, 103, 57, 98, 43, 43))]) {
      case eval(String.fromCharCode(49, 56, 56, 54, 55, 51, 32, 94, 32, 49, 56, 56, 54, 55, 51)):
        _0xa383bc(_0x36daae());
        continue;
      case eval(String.fromCharCode(49, 49, 48, 54, 55, 54, 32, 94, 32, 49, 49, 48, 54, 55, 55)):
        var _0x637efb = "\u006a\u0073\u006a\u0069\u0061\u006d\u0069\u002e\u006f\u006e\u006c\u0069\u006e\u0065";
        continue;
      case eval(String.fromCharCode(51, 56, 54, 48, 56, 53, 32, 94, 32, 51, 56, 54, 48, 56, 55)):
        var _0x17837a = eval(String.fromCharCode(112, 97, 114, 115, 101, 73, 110, 116, 40, 51, 57, 50, 49, 51, 51, 32, 94, 32, 51, 57, 50, 50, 49, 51, 41, 32, 43, 32, 40, 51, 57, 50, 56, 48, 49, 32, 94, 32, 51, 57, 50, 56, 49, 54, 41));
        continue;
      case eval(String.fromCharCode(53, 50, 56, 49, 54, 50, 32, 94, 32, 53, 50, 56, 49, 54, 49)):
        var _0x36daae = function () {
          return eval(String.fromCharCode(34, 40, 99, 41, 34, 32, 43, 32, 95, 48, 120, 49, 55, 56, 51, 55, 97, 32, 43, 32, 34, 45, 34, 32, 43, 32, 110, 101, 119, 32, 68, 97, 116, 101, 40, 41, 91, 39, 92, 120, 54, 55, 92, 120, 54, 53, 92, 120, 55, 52, 92, 120, 52, 54, 92, 120, 55, 53, 92, 120, 54, 99, 92, 120, 54, 99, 92, 120, 53, 57, 92, 120, 54, 53, 92, 120, 54, 49, 92, 120, 55, 50, 39, 93, 40, 41, 32, 43, 32, 34, 44, 34, 32, 43, 32, 95, 48, 120, 54, 51, 55, 101, 102, 98));
        };
        continue;
      case eval(String.fromCharCode(55, 57, 56, 54, 55, 51, 32, 94, 32, 55, 57, 56, 54, 55, 55)):
        var _0xa383bc = console['\x6c\x6f\x67'];
        continue;
    }
    break;
  }
})();