day_4-Class_Vs_Instance.js

function Person(initialAge){
    // Add some more code to run some checks on initialAge
  var age;
  if (initialAge >= 0) {
    age = initialAge
  } else {
    age = 0;
    console.log('Age is not valid, setting age to 0.');
  }

  this.amIOld=function(){
   // Do some computations in here and print out the correct statement to the console
    if (age < 13) {
        console.log('You are young.');
    } else if (age >= 13 && age < 18) {
        console.log('You are a teenager.');
    } else {
        console.log('You are old.');
    }
  };
   this.yearPasses=function(){
          // Increment the age of the person in here
       age += 1;
   };
}