text: 'use strict';
  
  function cat(name,color) {
      this.name = name;
      this.color = color;
  }
  
  var fluffy = new cat("fluffy","white");
  cat.prototype.age = 17;
  console.log(fluffy.__proto__); //{ age: 17 }
  console.log(cat.prototype); //{ age: 17 }
  
  var bucky = new cat("bucky","black");
  console.log(bucky.__proto__);//{ age: 17 }
  
  fluffy.age = "20";
  console.log(fluffy.age); // 20 >>> from fluffy instance
  console.log(fluffy.__proto__.age); //  17 >> from prototype
  