text: var Student = /** @class */ (function () {
      function Student(fiestName, lastName) {
          this.firstName = fiestName;
          this.lastName = lastName;
      }
      Student.prototype.greeter = function () {
          return "Hello，您好" + this.firstName + " " + this.lastName;
      };
      Student.prototype.test = function (name, age) {
          return {
              name: name,
              age: age
          };
      };
      return Student;
  }());
  var user = new Student("王", "小明");
  document.body.innerHTML = user.greeter();
  console.log(user.test('小米'));
  console.log(user.test('小米', 18));
  