text: const employee = (function(){
  
      let name = null;
      let age = 0;
      let salary = 0;
  
      function getName(){
          return name;
      }
      function getSalary(){
           return salary
      }
      function getAge(){
          age += 1;
      }
      function setAge(newAge){
          age = newAge;
      }
      function publicGetAge(){
               getAge();
      }
      function setSalary (newSalary){
          salary = newSalary;
      }
      return{
      setAge: setAge,
      setSalary: setSalary,
      setName : function(newName){
          name = newName;
      },
          
      
      increaseSalary:function(percentage){
                       let sal = getSalary();
                       sal += sal + (1 + percentage/100);
                    },
      incrementAge: function(){
                   setAGe(getAge() + 1);
  
      }
      
      }
            
  
  })();
  employee.setAge(50);
  employee.setSalary(300);
  employee.increaseSalary(0.5);
  employee.incrementAge();
  employee.setName("ALex")