this & that

gistfile1.js

var jos = { name : 'Jos' };
jos.getFullName = function(surname) {
  var that = this;
  var printName = function(surname){
    console.log("Full name", this.name + ' ' + this.surname);
    console.log("Full name", that.name + ' ' + surname);
  }
  printName('Parker');
}
jos.getFullName();