text: let name={
      firstName:"John",
      lastName:"Doe"
  }
  
  printName = function(country, state){
      console.log(this.firstName+" "+this.lastName+" "+country+", "+state);
  }
  
  printName.call(name, "India", "UP");
  
  Function.prototype.myCall = function(obj,...args){
      console.log(this); //[Function: printName]
      console.log(obj);  //{ firstName: 'John', lastName: 'Doe' }
      obj.fnRef = this;
      console.log(obj);
      obj.fnRef(...args);
  }
  printName.myCall(name, "India", "UP");
  