window.test = function () {
  var e = "TEST";

  switch (e) {
    case "TEST":
      var _e = [];

      _e.push('111');

      alert(_e);
      break;

    default:
      alert('666');
      break;
  }
};

window.test = function () {
  var e = "TEST";

  switch (e) {
    case "TEST":
      var _e2 = [];

      switch (_e2) {}

  }
};