Object.create() cant access variable inside function

Question

I'm using below code.

var emp = function employee(name, sal) {
  this.empname = name;
  this.sal = sal;
}

emp.prototype.getName = function() {
  return this.empname
};

var man = new emp("manish", 100);
console.log(man.getName()); //prints manish

var man1 = Object.create(emp);
man1.empname = "manish1";
console.log(man1.prototype.getName()); //prints undefined.

can some help me to understand why object create is printing undefined instead manish1.

This may help: stackoverflow.com/questions/3079887/…

Rajesh Dixit
– Rajesh Dixit

2016-10-20 09:56:15 +00:00
Commented Oct 20, 2016 at 9:56 — Rajesh Dixit
– Rajesh Dixit, Commented Oct 20, 2016 at 9:56

joews · Accepted Answer · 2016-10-20 09:59:31Z

2

new X() creates a new object with constructor X and prototype X.prototype. Object.create(X) creates a new object with prototype X (and therefore constructor X.constructor).

So you need to call it with the prototype you want:

var man2 = Object.create(emp.prototype);   
man2.empname = "manish2";
console.log (man2.getName()); // prints manish2

edited Oct 20, 2016 at 9:59

answered Oct 20, 2016 at 9:53

joews

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